Question

An electric heater is used on a 220V supply and takes a current of 5 A, Find the cost of using the heater for one hour, if 1 kWh costs 50 paise​

Answer 1

Answer:

Rs 82.50

Explanation:

Power,

P = VI

220 x 5

= 1100 W.

= Rs 82.50.

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Answer 2

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