Question

A cable of resistance $10\Omega$ carries electric power from a generator producing 250 kW at 10000 volt, the power lost in the cable during transmission is

• A. 12.5 kW
• B. 6.25 kW
• C. 25 kW
• D. 3.15 kW

Answer 1

Answer: (B)

6.25 kW

Answer 2

Power lost in cable $= 10 \times (25)^{2} = 6250W = 6.25kW$