Please solve q 13?

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1 Answer
Junaid Mirza
Apr 10, 2018

"30 kilowatts"30 kilowatts

Explanation:

Resistance of cable is

"R" = 15 cancel"km" × "0.2 Ω"/cancel"km" = "3.0 Ω"

Power loss is given by

"P" = "I"^2"R"

"P" = ("100 A")^2 × "3.0 Ω" = 3 × 10^4\ "Watt" = color(Green)"30 kW"

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