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WorksheetsMotors, Generators, and Electromagnetism
Total questions: 15
Worksheet time: 16mins
Electricity is produced by using steam to _____________.
How are electromagnets different from permanent magnets?
magnets can be turned on/off
you can turn an electromagnet on/off
magnets are more powerful
magnets have a North and South pole
In a Motor/Generator a spinning turbine moves magnets which generates an electric current. (pick one)
(a)
True or False: A magnetic field is invisible.
(a)
An electric field is created by particles that
are moving.
have a charge.
are radioactive.
are electrically neutral.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed between which 2 points?
A
B
C
D
What is the job of a switch in an electric circuit?
opens and closes the circuit as needed.
turns on a transformer
reverses the electric current.
provides an energy source to transformer
