Current Electricity Charging Discharging Of Capacitors Question 434

Question: One kilowatt hour is equal to

[NCERT 1974; MP PMT 2002]

Options:

A) $ 36\times 10^{5},joules $

B) $ 36\times 10^{3},joules $

C) $ 10^{3},joules $

D) $ 10^{5},joules $

Show Answer

Answer:

Correct Answer: A

Solution:

1 kWh = 1000 W ยด 3600 sec = 36 ยด 105 W-sec (or J)



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