An electric kettle is rated 230 V ; 1000 W. Calculate the resistance of its heating element when in operation.

An electric kettle is rated 230 V ; 1000 W. Calculate the resistance of its heating element when in operation.

Solution

P = 1000 W, V = 230 V; Formula = P = V2/R R = V2/P = (230)2 / 1000 = 52.9 Ohm

Asked in: CBSE

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