Physics > 2007 > 26
JAMB UTME
A 40kW electric cable is used to transmit electricity through a resistor of
resistance 2.0Ω at 800V. The power loss as internal energy is
resistance 2.0Ω at 800V. The power loss as internal energy is
A.
5.0 x 102W
B.
4.0 x 103W
C.
5.0 x 103W
D.
4.0 x 102W
Answer: C
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