In chapter 3 of Book N you discovered how electricity is generated. You also studied how electrical energy is used in motors and other devices. Choose the letter which best answers the following questions. Be sure to print out your certificate with your name and bring it to class. Ms. Pati
Generator.
Motor.
Solenoid.
Transformer.
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Magnets and by electric current.
A stationary charge.
Neutral particles.
A copper wire.
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Static electric charge on objects.
Small currents for gauges.
Mechanical energy of transformers.
Magnetic fields of permanent magnets.
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A current is induced in the wire.
The strength of the magnetic field increases.
There is no effect unless the magnet moves also.
A force causes the wire to rotate.
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A turbine
A transformer
A generator
A commulator
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Is safer.
Only requires one wire instead of two.
Can be easily raised or lowered to a higher or lower voltage.
Works better for transistors and computers.
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6V
12V
120V
2400V
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Remains in the original direction.
Goes to and stays at zero.
Also reverses.
Is perpendicular to the original magnetic field direction.
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Transformer.
Motor.
Generator.
Galvanometer.
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