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प्रश्न
An electric heater is rated 220 V, 550 W. Electrical energy is also measured in kWh. What do you understand by a kilo-watt-hour?
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उत्तर
The energy consumed in a resistor when the potential difference is 1V and 1A current flows for 1000 hrs.
संबंधित प्रश्न
1 calorie = _________ joule.
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Define Kilo watt hour.
Express watt hour and kilowatt hour in joule.
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What is the commercial unit of electrical energy?
