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प्रश्न
What does the unit kilowatt hour measure? Define it.
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उत्तर
The unit kilowatt-hour measures electrical energy. 1 kWh is the electrical energy consumed by an electric appliance of power 1 kW when it is used for 1 hour.
संबंधित प्रश्न
Which quantity has the unit of watt?
How many joules are there in one kilowatt-hour?
How much energy does a 100 W electric bulb transfer in 1 minute?
(a) 100 J
(b) 600 J
(c) 3600 J
(d) 6000 J
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Why is the heating element of an electric oven wound on a helix? State the reason.
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Find the energy released by a current of 0.25 amperes flowing through a heater for 5 minutes. The p.d. is 230 V.
1 mV is equal to:
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