Electric Generator Direct Current Alternating Current Transformer electric
- Slides: 53
Electric Generator
Direct Current
Alternating Current
Transformer
electric current
voltage
series circuit
parallel circuit
What is voltage measured in? • Amps • Ohms • Volts
What is voltage measured in? • Amps • Ohms • Volts
If you have a circuit and there is a break, will the light bulb be on?
electric generator
electric generator: uses a magnetic field to turn mechanical energy into electrical energy
Wind turbine
Wind turbine
A generator turns ____ energy into ___ energy. • • Electrical into mechanical Nuclear into mechanical Mechanical into electrical Mechanical into chemical
A generator turns ____ energy into ___ energy. • • Electrical into mechanical Nuclear into mechanical Mechanical into electrical Mechanical into chemical
A turbine turns into ____ into electrical energy.
direct current
direct current: flows in only one direction.
battery = DC
alternating current
alternating current: reverses direction in a regular pattern
An electric generator produces alternating current.
A power plant produces alternating current.
power outlet = AC
What direction does direct current flows?
What electrical current do most generators create?
transformer
transformer: changes voltage of an alternating current.
increase or decrease voltage
step-up
step-down
If you have a system that needs 6 V battery but you have a 12 v battery, what would you need to use the battery?
Which type of current is generated by power plants?
Which type of current is produced by a battery?
Remember!!!
electric generator: uses a magnetic field to turn mechanical energy into electrical energy
direct current: flows in only one direction.
alternating current: reverses direction in a regular pattern
transformer: changes voltage of an alternating current.
This Video Created With Resources From: Cooperative Agreement # R 324 B 130023 Curry School Foundation’s Research and Development Fund Questions or Comments to Michael Kennedy, Ph. D. MKennedy@Virginia. edu
Activity Objective: Students will understand electricity circuits and how wiring can create different outcomes. Activity: Students will work through an online simulation to create different circuits. Materials: • computer Resources: • http: //www. sciencekids. co. nz/gamesactivities/el ectricitycircuits. html