The principal advantage of ac power over dc power is that
A) more energy is dissipated during transmission.
B) ac voltage oscillates while dc voltage does not.
C) ac voltage can be transformed via conventional transformers.
D) ac circuits multiply power more easily.
E) ac circuits are safer.
Correct Answer:
Verified
Q43: Disconnect a small-voltage battery from a coil
Q44: A step-up transformer steps up voltage by
Q45: Between the consumer and the power plant,
Q46: The voltage induced in self-inductions is
A)always in
Q47: Power is transmitted at high voltages because
Q49: The spacing between the parallel power lines
Q50: An iron core in a transformer
A)guides magnetic
Q51: A step-up transformer steps up voltage by
Q52: The high voltage that is important in
Q53: Underlying the concept of self-induction is
A)Ohm's law.
B)Faraday's
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