An efficient step-down transformer decreases
A) power.
B) energy.
C) both of these
D) neither of these
Correct Answer:
Verified
Q21: If the voltage produced by a generator
Q22: Compared to the primary voltage, the secondary
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
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
Q30: The current produced by a common generator
Q31: A transformer actually transforms
A)voltage.
B)magnetic field lines.
C)generators into
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