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प्रश्न
Kilowatt-hour is the unit of ______.
विकल्प
energy
power
linear momentum
none of these
MCQ
रिक्त स्थान भरें
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उत्तर
Kilowatt-hour is the unit of energy.
Explanation:
A kilowatt-hour is the energy used when a power of 1 kilowatt works for 1 hour.
Energy = Power × Time
1 kWh = 1000 W × 3600 s
1 kWh = 3.6 × 106 J
Therefore, kilowatt-hour is a unit of energy, not power.
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