A power plant uses a transformer to raise the voltage from to before transmitting…
PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current
Problem
A power plant uses a transformer to raise the voltage from 11kV to 132kV before transmitting electrical energy through a line of fixed resistance. By what factor is the power loss due to the line resistance reduced after stepping up the voltage?
(a) 241
(b) 1441
(c) 121
(d) 1211