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प्रश्न
Name the commercial unit of electric energy.
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उत्तर
The commercial unit of electric energy is kilowatt hour or KWh in short.
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संबंधित प्रश्न
A 2 kWh heater, a 200 W TV and three 100 W lamps are all switched on from 6 p.m. to 10 p.m. What is the total cost at Rs 5.50 per kWh?
What is the maximum power in kilowatts of the appliance that can be connected safely to a 13 A ; 230 V mains socket?
What is meant by "electric power"?
Define kilowatt-hour.
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(b) coulomb
(c) watt
(d) ohm-metre
How many joules of electrical energy are transferred per second by a 6 V; 0.5 A lamp?
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(c) ultraviolet rays
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Name the S.I unit of electrical energy. How is it related to Wh?
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Name a metal that is used as an electron emitter. Give one reason for using this metal.
What is the order of current drawn by appliances connected to the ‘power circuit’ of a household?
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