Multiple Choice
An AC power generator produces 25 A (rms) at 3 600 V.The energy is transmitted through a long-distance power line,which has a total resistance of 100 W.What percentage of the power delivered by the generator is dissipated as heat in the long-distance line if a step-up transformer is not used?
A) 0.09%
B) 1.8%
C) 32%
D) 69%
Correct Answer:

Verified
Correct Answer:
Verified
Q23: As an electromagnetic wave travels through free
Q30: An object that is giving off only
Q49: The rate of heat dissipation in an
Q51: Find the resonant frequency for a series
Q54: An AC series circuit has 12.0 W
Q54: Maxwell developed his theory of electromagnetism by
Q55: In an RLC circuit,the maximum current is
Q57: In an RLC series circuit the capacitive
Q60: An AC voltage source,with a peak output
Q88: Resonance occurs in an AC series circuit