The current produced by a common generator is
A) dc.
B) ac.
C) neither of these
Correct Answer:
Verified
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
Q28: A device that transforms mechanical energy into
Q29: An electric motor is very similar to
A)an
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
Q34: The principle difference between a step-up and
Q35: A transformer produces
A)energy.
B)power.
C)neither, but transforms mechanical energy
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