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An electric kettle connected to the 230 V mains supply draws a current of 10 A. Calculate : (a) the power of the kettle.

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An electric kettle connected to the 230 V mains supply draws a current of 10 A. Calculate : 

(a) the power of the kettle. 

(b) the energy transferred in 1 minute.

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1 Answer

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Given V = 230v, I = 10amp

(a) P = IV

P = 230 x 10

p = 2300 w = 2300 J/s

(b) Energy consumed in minute = P x T = 2300 x 60 = 138000j
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