Electric Forces and Electric Fields Physics Static Electric
![Electric Forces and Electric Fields Physics Electric Forces and Electric Fields Physics](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-1.jpg)
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![Static Electric Charge and Conductors • Electricity can flow through objects • Conductors let Static Electric Charge and Conductors • Electricity can flow through objects • Conductors let](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-6.jpg)
![Static Electric Charge and Conductors • Charging by contact • Negative charged rod gives Static Electric Charge and Conductors • Charging by contact • Negative charged rod gives](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-7.jpg)
![Static Electric Charge and Conductors Charge by Induction • Charge without touching • Charged Static Electric Charge and Conductors Charge by Induction • Charge without touching • Charged](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-8.jpg)
![Static Electric Charge and Conductors • If the sphere in the previous 2 slides Static Electric Charge and Conductors • If the sphere in the previous 2 slides](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-9.jpg)
![Coulomb’s Law • Point charges exert force on each other ⊶Related to the size Coulomb’s Law • Point charges exert force on each other ⊶Related to the size](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-10.jpg)
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![Coulomb’s Law • • • There are three charges in a straight line q Coulomb’s Law • • • There are three charges in a straight line q](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-15.jpg)
![Coulomb’s Law • • • There are three charges q 1 = +2 C Coulomb’s Law • • • There are three charges q 1 = +2 C](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-16.jpg)
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![Electric Field and Electric Field Lines What is wrong here? Electric Field and Electric Field Lines What is wrong here?](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-26.jpg)
![Conductors in Equilibrium and Applications • Conductors in Equilibrium and Applications •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-27.jpg)
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![Conductors in Equilibrium and Applications • If the surface is uneven, more charge will Conductors in Equilibrium and Applications • If the surface is uneven, more charge will](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-29.jpg)
![Conductors in Equilibrium and Applications • Shielding ⊶A conductor shields any charge within it Conductors in Equilibrium and Applications • Shielding ⊶A conductor shields any charge within it](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-30.jpg)
![Conductors in Equilibrium and Applications Copier Conductors in Equilibrium and Applications Copier](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-31.jpg)
![Conductors in Equilibrium and Applications • Laser Printer ⊶Similar to copier machine only the Conductors in Equilibrium and Applications • Laser Printer ⊶Similar to copier machine only the](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-32.jpg)
![Conductors in Equilibrium and Applications • Inkjet printer Conductors in Equilibrium and Applications • Inkjet printer](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-33.jpg)
![08 -04 Homework • Try going beyond the surface of these problems • Read 08 -04 Homework • Try going beyond the surface of these problems • Read](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-34.jpg)
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![Electric Potential Energy: Potential Difference • Batteries ⊶Even though it is the negative electrons Electric Potential Energy: Potential Difference • Batteries ⊶Even though it is the negative electrons](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-41.jpg)
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![Electric Potential in a Uniform Electric Field • Both electric field and electric potential Electric Potential in a Uniform Electric Field • Both electric field and electric potential](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-44.jpg)
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![Electric Potential Due to a Point Charge and Equipotential Lines • Two or more Electric Potential Due to a Point Charge and Equipotential Lines • Two or more](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-52.jpg)
![Electric Potential Due to a Point Charge and Equipotential Lines • Two charges are Electric Potential Due to a Point Charge and Equipotential Lines • Two charges are](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-53.jpg)
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![Electric Potential Due to a Point Charge and Equipotential Lines • Sketch the equipotential Electric Potential Due to a Point Charge and Equipotential Lines • Sketch the equipotential](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-57.jpg)
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- Slides: 63
![Electric Forces and Electric Fields Physics Electric Forces and Electric Fields Physics](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-1.jpg)
Electric Forces and Electric Fields Physics
![Static Electric Charge and Conductors Static Electric Charge and Conductors •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-2.jpg)
Static Electric Charge and Conductors •
![Static Electric Charge and Conductors Static Electric Charge and Conductors •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-3.jpg)
Static Electric Charge and Conductors •
![Static Electric Charge and Conductors Law of Conservation of Charge During any process Static Electric Charge and Conductors • Law of Conservation of Charge ⊶During any process,](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-4.jpg)
Static Electric Charge and Conductors • Law of Conservation of Charge ⊶During any process, the net electrical charge of a closed system remains constant • Like charges repel • Unlike charges attract ⊶The attraction and repulsion are forces and can be used with Newton’s Laws and other dynamics problems
![08 01 Static Electric Charge and Conductors Electric Ink 08 -01 Static Electric Charge and Conductors Electric Ink](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-5.jpg)
08 -01 Static Electric Charge and Conductors Electric Ink
![Static Electric Charge and Conductors Electricity can flow through objects Conductors let Static Electric Charge and Conductors • Electricity can flow through objects • Conductors let](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-6.jpg)
Static Electric Charge and Conductors • Electricity can flow through objects • Conductors let electrons flow easily ⊶Most heat conductors are also electrical conductors ⊶Metals • Insulators are very poor conductors ⊶Rubber ⊶Plastic ⊶Wood
![Static Electric Charge and Conductors Charging by contact Negative charged rod gives Static Electric Charge and Conductors • Charging by contact • Negative charged rod gives](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-7.jpg)
Static Electric Charge and Conductors • Charging by contact • Negative charged rod gives some electrons to sphere • Sphere becomes negatively charged until charges are equal
![Static Electric Charge and Conductors Charge by Induction Charge without touching Charged Static Electric Charge and Conductors Charge by Induction • Charge without touching • Charged](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-8.jpg)
Static Electric Charge and Conductors Charge by Induction • Charge without touching • Charged rod comes near neutral sphere • The like charges are repelled to other side of sphere • • • A grounding wire lets the charges escape from the sphere The grounding wire is removed, then the charged rod Sphere is charged
![Static Electric Charge and Conductors If the sphere in the previous 2 slides Static Electric Charge and Conductors • If the sphere in the previous 2 slides](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-9.jpg)
Static Electric Charge and Conductors • If the sphere in the previous 2 slides was plastic instead of metal • Electrons wouldn’t flow • The surface would become slightly charged as the electrons in each individual atom rearrange, but no overall effect • Static cling is made by this effect
![Coulombs Law Point charges exert force on each other Related to the size Coulomb’s Law • Point charges exert force on each other ⊶Related to the size](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-10.jpg)
Coulomb’s Law • Point charges exert force on each other ⊶Related to the size of the charges and the distance between them ⊶If the signs are same force repels ⊶If the signs are opposite force attracts ⊶Force of the first to the second is equal and opposite of the second to the first ⊷Newton’s Third Law
![Coulombs Law Coulomb’s Law •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-11.jpg)
Coulomb’s Law •
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Coulomb’s Law •
![Coulombs Law Coulombs Law other notes Notice the similarity to Newtons Law Coulomb’s Law • Coulomb’s Law – other notes ⊶Notice the similarity to Newton’s Law](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-13.jpg)
Coulomb’s Law • Coulomb’s Law – other notes ⊶Notice the similarity to Newton’s Law of Universal Gravitation ⊶Notice that F 1/r 2 ⊷Distance increases by 4, force decreases by 16
![Coulombs Law Force on 1 charge by 2 others Work in two parts Coulomb’s Law • Force on 1 charge by 2 others ⊶Work in two parts](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-14.jpg)
Coulomb’s Law • Force on 1 charge by 2 others ⊶Work in two parts ⊷Find force of attraction by one of the points ⊷Find force of attraction by the other point ⊷Add the force vectors ⊸REMEMBER!!!!! you have to add the x and y components!!!!!
![Coulombs Law There are three charges in a straight line q Coulomb’s Law • • • There are three charges in a straight line q](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-15.jpg)
Coulomb’s Law • • • There are three charges in a straight line q 1 = +2 C at x = -0. 1 m q 2 = -3 C at x = 0 m q 3 = +5 C at x = 0. 3 m What is the force on q 2? • F = -3. 89 N
![Coulombs Law There are three charges q 1 2 C Coulomb’s Law • • • There are three charges q 1 = +2 C](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-16.jpg)
Coulomb’s Law • • • There are three charges q 1 = +2 C at (0, 0. 3) m q 2 = -3 C at (0, 0) m q 3 = +5 C at (0. 1, 0. 2) m What is the force on q 2? • F = 3. 247 N @ 68. 1° above horizontal
![Electric Field and Electric Field Lines We can use a test charge to Electric Field and Electric Field Lines • We can use a test charge to](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-17.jpg)
Electric Field and Electric Field Lines • We can use a test charge to determine how the surrounding charges generate a force • Pick a small test charge so it doesn’t change the surrounding charge orientation
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Electric Field and Electric Field Lines •
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Electric Field and Electric Field Lines •
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Electric Field and Electric Field Lines •
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Electric Field and Electric Field Lines •
![Electric Field and Electric Field Lines There are two point charges of q Electric Field and Electric Field Lines • There are two point charges of q](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-22.jpg)
Electric Field and Electric Field Lines • There are two point charges of q 1 = 4 C and q 2 = 8 C and they are 10 m apart. Find point where E = 0 between them. • d = 5. 85 m from q 2 towards q 1
![Electric Field and Electric Field Lines It would be nice to have some Electric Field and Electric Field Lines • It would be nice to have some](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-23.jpg)
Electric Field and Electric Field Lines • It would be nice to have some kind of map to show the Efield in space • Rules ⊶Lines begin at positive charges only ⊶Lines end at negative charges only ⊶The number of lines entering or leaving a charge is proportional to the size of charge ⊶Lines don’t cross each other ⊶Lines leave surfaces at 90 degrees
![Electric Field and Electric Field Lines Electric Field and Electric Field Lines](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-24.jpg)
Electric Field and Electric Field Lines
![Electric Field and Electric Field Lines Electric Field and Electric Field Lines](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-25.jpg)
Electric Field and Electric Field Lines
![Electric Field and Electric Field Lines What is wrong here Electric Field and Electric Field Lines What is wrong here?](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-26.jpg)
Electric Field and Electric Field Lines What is wrong here?
![Conductors in Equilibrium and Applications Conductors in Equilibrium and Applications •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-27.jpg)
Conductors in Equilibrium and Applications •
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Conductors in Equilibrium and Applications •
![Conductors in Equilibrium and Applications If the surface is uneven more charge will Conductors in Equilibrium and Applications • If the surface is uneven, more charge will](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-29.jpg)
Conductors in Equilibrium and Applications • If the surface is uneven, more charge will collect near the area of most curvature • If the curve is great enough, the E-field can be strong enough to remove excess charge ⊶Lightning Rods
![Conductors in Equilibrium and Applications Shielding A conductor shields any charge within it Conductors in Equilibrium and Applications • Shielding ⊶A conductor shields any charge within it](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-30.jpg)
Conductors in Equilibrium and Applications • Shielding ⊶A conductor shields any charge within it from external electrical fields ⊶Sensitive electrical equipment is shielded by putting in a metal box ⊷Called Faraday Cage ⊶Coaxial cable is shielded by a metal cylinder around the central metal wire. This reduces interference and signal loss
![Conductors in Equilibrium and Applications Copier Conductors in Equilibrium and Applications Copier](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-31.jpg)
Conductors in Equilibrium and Applications Copier
![Conductors in Equilibrium and Applications Laser Printer Similar to copier machine only the Conductors in Equilibrium and Applications • Laser Printer ⊶Similar to copier machine only the](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-32.jpg)
Conductors in Equilibrium and Applications • Laser Printer ⊶Similar to copier machine only the image is put on the drum using a laser ⊶The laser scans the drum quickly ⊶The computer turns the laser on and off at the right time to produce the image
![Conductors in Equilibrium and Applications Inkjet printer Conductors in Equilibrium and Applications • Inkjet printer](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-33.jpg)
Conductors in Equilibrium and Applications • Inkjet printer
![08 04 Homework Try going beyond the surface of these problems Read 08 -04 Homework • Try going beyond the surface of these problems • Read](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-34.jpg)
08 -04 Homework • Try going beyond the surface of these problems • Read 19. 1
![Electric Potential Energy Potential Difference Change in PE due to Gravity Force of Electric Potential Energy: Potential Difference • Change in PE due to Gravity ⊶Force of](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-35.jpg)
Electric Potential Energy: Potential Difference • Change in PE due to Gravity ⊶Force of gravity is conservative ⊶W = mgh 0 – mghf = PE 0 – PEf • Change in PE due to Electrical Force ⊶Electrical Force is conservative ⊶W = PE 0 - PEf •
![Electric Potential Energy Potential Difference Electric Potential Energy: Potential Difference •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-36.jpg)
Electric Potential Energy: Potential Difference •
![Electric Potential Energy Potential Difference Electric Potential Energy: Potential Difference •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-37.jpg)
Electric Potential Energy: Potential Difference •
![Electric Potential Energy Potential Difference Electric Potential Energy: Potential Difference •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-38.jpg)
Electric Potential Energy: Potential Difference •
![Electric Potential Energy Potential Difference Electric Potential Difference and Charge Sign Positive Charge Electric Potential Energy: Potential Difference • Electric Potential Difference and Charge Sign ⊶Positive Charge](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-39.jpg)
Electric Potential Energy: Potential Difference • Electric Potential Difference and Charge Sign ⊶Positive Charge ⊷Moves from higher electrical potential toward lower electrical potential ⊶Negative Charge ⊷Moves from lower to higher electrical potentials
![Electric Potential Energy Potential Difference Points A B and C are evenly spaced Electric Potential Energy: Potential Difference • Points A, B, and C are evenly spaced](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-40.jpg)
Electric Potential Energy: Potential Difference • Points A, B, and C are evenly spaced on a line. A positive test charge is released from A and accelerates towards B, from B it decelerates, but doesn’t stop at C. What happens when a negative charge is released at B? • Accelerates towards A
![Electric Potential Energy Potential Difference Batteries Even though it is the negative electrons Electric Potential Energy: Potential Difference • Batteries ⊶Even though it is the negative electrons](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-41.jpg)
Electric Potential Energy: Potential Difference • Batteries ⊶Even though it is the negative electrons that actually move, tradition says that we talk about moving positive charges ⊶Positive charge repelled by positive terminal ⊶Moves through light bulb and energy converted to heat ⊶By the time the positive charge reaches the negative terminal, it has no potential energy left
![Electric Potential Energy Potential Difference Electric Potential Energy: Potential Difference •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-42.jpg)
Electric Potential Energy: Potential Difference •
![Electric Potential Energy Potential Difference Electric Potential Energy: Potential Difference •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-43.jpg)
Electric Potential Energy: Potential Difference •
![Electric Potential in a Uniform Electric Field Both electric field and electric potential Electric Potential in a Uniform Electric Field • Both electric field and electric potential](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-44.jpg)
Electric Potential in a Uniform Electric Field • Both electric field and electric potential can be used to describe charges • E ⊶deals with force ⊶vector • V ⊶deals with energy ⊶scalar
![Electric Potential in a Uniform Electric Field Electric Potential in a Uniform Electric Field •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-45.jpg)
Electric Potential in a Uniform Electric Field •
![Electric Potential in a Uniform Electric Field Electric Potential in a Uniform Electric Field •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-46.jpg)
Electric Potential in a Uniform Electric Field •
![Electric Potential in a Uniform Electric Field Electric Potential in a Uniform Electric Field](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-47.jpg)
Electric Potential in a Uniform Electric Field
![Electric Potential in a Uniform Electric Field Electric Potential in a Uniform Electric Field •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-48.jpg)
Electric Potential in a Uniform Electric Field •
![Electric Potential in a Uniform Electric Field Electric Potential in a Uniform Electric Field •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-49.jpg)
Electric Potential in a Uniform Electric Field •
![08 07 Electric Potential Due to a Point Charge and Equipotential Lines 08 -07 Electric Potential Due to a Point Charge and Equipotential Lines](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-50.jpg)
08 -07 Electric Potential Due to a Point Charge and Equipotential Lines
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Electric Potential Due to a Point Charge and Equipotential Lines •
![Electric Potential Due to a Point Charge and Equipotential Lines Two or more Electric Potential Due to a Point Charge and Equipotential Lines • Two or more](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-52.jpg)
Electric Potential Due to a Point Charge and Equipotential Lines • Two or more charges ⊶Find the potentials due to each charge at that location ⊶Add the potentials together to get the total potential
![Electric Potential Due to a Point Charge and Equipotential Lines Two charges are Electric Potential Due to a Point Charge and Equipotential Lines • Two charges are](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-53.jpg)
Electric Potential Due to a Point Charge and Equipotential Lines • Two charges are 1 m apart. The charges are +2 C and -4 C. What is the potential 1/3 of the way between them? • 0 V
![Electric Potential Due to a Point Charge and Equipotential Lines Electric Potential Due to a Point Charge and Equipotential Lines •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-54.jpg)
Electric Potential Due to a Point Charge and Equipotential Lines •
![Electric Potential Due to a Point Charge and Equipotential Lines Electric Potential Due to a Point Charge and Equipotential Lines •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-55.jpg)
Electric Potential Due to a Point Charge and Equipotential Lines •
![Electric Potential Due to a Point Charge and Equipotential Lines Electric Potential Due to a Point Charge and Equipotential Lines](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-56.jpg)
Electric Potential Due to a Point Charge and Equipotential Lines
![Electric Potential Due to a Point Charge and Equipotential Lines Sketch the equipotential Electric Potential Due to a Point Charge and Equipotential Lines • Sketch the equipotential](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-57.jpg)
Electric Potential Due to a Point Charge and Equipotential Lines • Sketch the equipotential lines in the vicinity of two opposite charges, where the negative charge is three times as great in magnitude as the positive.
![Capacitors and Energy Stored in Capacitors Capacitor Two parallel conductor plates separated by Capacitors and Energy Stored in Capacitors • Capacitor ⊶Two parallel conductor plates separated by](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-58.jpg)
Capacitors and Energy Stored in Capacitors • Capacitor ⊶Two parallel conductor plates separated by a gap ⊶Stores charge ⊷One plate +, one plate − ⊷Charge (Q) is the positive plate
![Capacitors and Energy Stored in Capacitors Amount of charge stored depends on Capacitors and Energy Stored in Capacitors • Amount of charge stored depends on ⊶](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-59.jpg)
Capacitors and Energy Stored in Capacitors • Amount of charge stored depends on ⊶ Electric potential ⊶ Physical characteristic of capacitor (like distance) • Q = CV ⊶ Q = charge ⊶ C = capacitance ⊶ V = electric potential •
![Capacitors and Energy Stored in Capacitors Some times the potential can become Capacitors and Energy Stored in Capacitors • Some times the potential can • become](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-60.jpg)
Capacitors and Energy Stored in Capacitors • Some times the potential can • become so high that the air between the plates breaks down and starts conducting • To have higher capacitance, use some insulator in place of the air between the plates that doesn’t break down as easily • This is called dielectric
![Capacitors and Energy Stored in Capacitors Capacitors and Energy Stored in Capacitors •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-61.jpg)
Capacitors and Energy Stored in Capacitors •
![Capacitors and Energy Stored in Capacitors Capacitors can be used to quickly Capacitors and Energy Stored in Capacitors • • Capacitors can be used to quickly](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-62.jpg)
Capacitors and Energy Stored in Capacitors • • Capacitors can be used to quickly deliver a charge like in a defibrillator or camera flash • Or it can be used to reduce electrical static in radio/television
![Capacitors and Energy Stored in Capacitors Capacitors and Energy Stored in Capacitors •](https://slidetodoc.com/presentation_image_h/79114746bb53c15fe5c67a086917a784/image-63.jpg)
Capacitors and Energy Stored in Capacitors •
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