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प्रश्न
Define Kilo watt hour.
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उत्तर
Kilowatt-hour is a commercial unit of electric energy consumed. It is also called B.O.T. (Board of Trade) unit and is used throughout the world in calculating the amount of electric energy consumed. kWh is defined as the amount of electric energy consumed by an electric appliance of power 1kW for one hour.
संबंधित प्रश्न
Name the commercial unit of electric energy.
Define kilowatt-hour.
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The diagram shows a coil connected to a center zero galvanometerG . The galvanometer shows a deflect ion to the right when the north pole N of a powerful magnet is moved to the right as shown .
(i) Explain, why the defelct ion occurs in the galvanometer.
(ii ) State whether th e current in the coil is cl ockwise or anticl ockwise
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(iii ) State th e observation in G when the coil is moved away from north
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(iv)State the observation in G when both the coil and the magnet are
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