A 40 kW electric cable is used to transmit electricity through a resistor of resistance
PHYSICS
JAMB 2007
A 40 kW electric cable is used to transmit electricity through a resistor of resistance 2.0Ω at 800 V. The power loss as internal energy is?
- A) 4.0 x 102W
- B) 5.0 x 102W
- C) 4.0 x 103W
- D) 5.0 x 103W
Correct Answer: D) 5.0 x 103W
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