Question

please answer this question please answer this

Answer 1

a)1 kilowatt hour- 1 kilowatt hour is the energy used in 1 hour at the rate of 1000 Js^-1.

Answer 2

1 kWh --->a electric device that consumes electrical power for one hour is called 1kwh

kWh of 4 device = 10 × 4 × 500/ 1000. = 20,000/ 1000 = 20 kWh

kWh or unit of an electric bulb = (60 × 6 ×1/ 1000 ) kWh =( 360 / 1000) kWh. = o.36 BOT unit

hope it helps .

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