EE 2303 Intro to ECE Voltage and Current

Introduction Glen Archer – Lab Coordinator 487 -2789 (Office) Leave msg with secretary 482

Teaching Assistants Anand Ambardar l David Pelster l 3

Agenda Lab Safety (repeat) l Voltage l Current l Electric Circuits l Resistors l

Breadboards l Circuit construction techniques l Power Supply: 8102 Lodestar DC Power Supply l

Vocabulary Electric Circuit l Voltage l Current l Parallel l Series l 6

Voltage l l l Potential Difference between two points Always has polarity (+/-) Measure

Current: Amperes (A) l l The flow of electrical charge through a conductor or

Electric circuits l l Current flow requires a continuous path Voltage can appear across

Series Circuits l Current in Series circuits is the same 10

Parallel Circuits l l Voltage in parallel circuits is the same Va = Vb

Resistors l l Carbon Wire wound Precision Power Rating 4 -stripe resistor A B

4 -stripe resistor A B C D Color Digit (A) (B) Multiplier C Tolerance

Breadboards l l l Power and Ground Components Rows and Columns 14

Lodestar 8102 Power Supply l l l Dual 30 V 3 A Independent Series

Lodestar 8102 Controls ON/OFF Mode Selector Volt – Fine and Coarse Current limiter Output

Lodestar 8102 Operation l l l Series Parallel Independent Dual Ended GROUND 17

Multimeter Control Panel l Volts AC & DC Current AC & DC Resistance 18

Summary l l l l l Lab Safety (repeat) Voltage Current Electric Circuits Resistors

Where to Get More Information www. astro. wisc. edu/~mukluk/resistor. html l www. ee. mtu/labs/EE

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EE 2303 Intro to ECE Voltage and Current Measurements 1

Introduction Glen Archer – Lab Coordinator 487 -2789 (Office) Leave msg with secretary 482 -4957 (Home) Between 1000 - 2100 gearcher@mtu. edu www. ee. mtu. edu/labs 2

Teaching Assistants Anand Ambardar l David Pelster l 3

Agenda Lab Safety (repeat) l Voltage l Current l Electric Circuits l Resistors l Color code l 4

Breadboards l Circuit construction techniques l Power Supply: 8102 Lodestar DC Power Supply l Virtual Instruments: Multimeter NI 4060 l 5

Vocabulary Electric Circuit l Voltage l Current l Parallel l Series l 6

Voltage l l l Potential Difference between two points Always has polarity (+/-) Measure voltage in parallel 7

Current: Amperes (A) l l The flow of electrical charge through a conductor or circuit element Current flow requires a continuous path Measure current in SERIES Direction is important 8

Electric circuits l l Current flow requires a continuous path Voltage can appear across an open circuit 9

Series Circuits l Current in Series circuits is the same 10

Parallel Circuits l l Voltage in parallel circuits is the same Va = Vb = Vc 11

Resistors l l Carbon Wire wound Precision Power Rating 4 -stripe resistor A B C D 5 -stripe resistor A B C D E 12

4 -stripe resistor A B C D Color Digit (A) (B) Multiplier C Tolerance (D) Black Brown Red Orange Yellow Green Blue Violet Grey White Gold Silver None 0 1 2 3 4 5 6 7 8 9 1 10 1000 10 K 100 K 1 M 10 M 0. 1 0. 01 1% 2% 3% 4% Flame Proof 5% 10% 20% Bad Boy R O Y Great Britain Very Good Wife Go See Now 13

Breadboards l l l Power and Ground Components Rows and Columns 14

Lodestar 8102 Power Supply l l l Dual 30 V 3 A Independent Series Parallel Dual ended (+/-) 15

Lodestar 8102 Controls ON/OFF Mode Selector Volt – Fine and Coarse Current limiter Output Terminals Meters 16

Lodestar 8102 Operation l l l Series Parallel Independent Dual Ended GROUND 17

Multimeter Control Panel l Volts AC & DC Current AC & DC Resistance 18

Summary l l l l l Lab Safety (repeat) Voltage Current Electric Circuits Resistors Color code Breadboards Circuit construction techniques Power Supply: 8102 Lodestar DC Power Supply Virtual Instruments: Multimeter NI 4060 19

Where to Get More Information www. astro. wisc. edu/~mukluk/resistor. html l www. ee. mtu/labs/EE 2303/references l 20