A device that transforms mechanical energy into electrical energy is a
A) generator.
B) motor.
C) transformer.
D) magnet.
E) none of the above
Correct Answer:
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Q23: The major advantage of MHD generators over
Q24: Transformers use ac to satisfy the required
A)transfer
Q25: The rate at which energy is transferred
Q26: An efficient step-down transformer decreases
A)power.
B)energy.
C)both of these
D)neither
Q27: A transformer transforms voltage while
A)producing energy.
B)producing power.
C)transferring
Q29: An electric motor is very similar to
A)an
Q30: The current produced by a common generator
Q31: A transformer actually transforms
A)voltage.
B)magnetic field lines.
C)generators into
Q32: The output power of an ideal transformer
Q33: The primary of a transformer is the
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