A cable of resistance 10Ω carries electric power from a generator producing 250 kW at 10000 volt. The current in the cable is
A
25 A
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B
250 A
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C
100 A
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D
1000 A
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Solution
The correct option is A 25 A Power, P = 250 kW =250×103W
Voltage, V = 10000 volt
Now, P = VI
Thus, the current in the cable can be calculated as: I=PV=250×1031000A
= 25 A
Hence, the correct answer is option (a).