An AC Power Generator Produces 42

Multiple Choice

An AC power generator produces 42.9 A (rms) at 2 970 V.The voltage is stepped up to 6 000 V by an ideal transformer,and the energy transmitted through a long-distance power line with a total resistance of 100 Ω.What is the rms current in the long-distance line?

A) 87 A
B) 21.2 A
C) 42.9 A
D) 30.2 A
E) 61.0 A