The energy source for a generator may be
A) a waterfall.
B) steam from a turbine.
C) wind.
D) any of these
E) none of the above
Correct Answer:
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Q8: A device that transforms electrical energy to
Q17: Transformers use ac so there will be
Q25: The rate at which energy is transferred
Q40: A turbogenerator produces
A)energy.
B)power.
C)neither, but transforms energy from
Q90: An electric motor and electric generator are
A)very
Q92: A device that transforms mechanical energy to
Q93: A transformer requires
A)alternating voltage.
B)direct current.
C)both of these
D)none
Q97: Voltage produced by a generator alternates because
A)it
Q99: An efficient step-up transformer increases
A)power.
B)energy.
C)both of these
D)none
Q100: An electric motor and electric generator differ
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