Physicshard · Past Paper
A generator produces a voltage of 240V and delivers a current of 50A. If the resistance of the transmission line is 0.5 Ohm, how much power is lost in the line?
A12,000 W
B1,250 W
C25 W
D2,500 W
✓ Correct Answer: B — 1,250 W
Power lost = I^2 * R = 50^2 * 0.5 = 2500 * 0.5 = 1250 Watts.
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