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प्रश्न
One kilowatt hour is equal to ............ joule.
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उत्तर
One kilowatt hour is equal to 3.6 x 106 joule.
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संबंधित प्रश्न
S.I. unit and commercial unit of electrical energy are same.
All electrical appliances in a household circuit work at the same voltage.
The unit in which we pay the cost of electricity is ..........
From where does the electricity come to our home ?
For which unit do we pay our electricity bill?
The diagram below in figure shows the reading on the dials of a meter. State what is its reading.
State and define the household unit of electricity.
Two lamps, one rated 220 V, 50 W and the other rated 220 V, 100 W, are connected in series with mains of 220 V. Explain why does the 50 W lamp consume more power.
What is the resistance, under normal working conditions, of an electric lamp rated at '240 v, 60 W' ? If two such lamps are connected in series across a 240 V mains supply, explain why each one appears less bright.
Two bulbs are rated 60 W, 220 V and 60 W, 110 V respectively. Calculate the ratio of their resistances.
