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Grid cables are 15 km long with a resistance of 0.20 Ω km^-1 , powers wasted as heat in these cables are

+3 votes

asked Mar 23, 2019 in Mathematics by kratos

Grid cables are 15 km long with a resistance of 0.20 Ω km-1 , powers wasted as heat in these cables are

A. 50 kW

B. 60 kW

C. 20 kW

D. 30 kW

electric current
resistance
potential difference

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1 Answer

+4 votes

answered Apr 20, 2020 by kratos

Best answer

The Correct option is D. 30 kW

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