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Question
We have an electric kettle rated at (60 V,5 A). If the kettle runs for 5 minutes, what is the heat energy generated?
We have an electric kettle rated at (60 V,5 A). If the kettle runs for 5 minutes, what is the heat energy generated?
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Solution
The correct option is D 30√20 m/s
Given,
Potential difference = 60 V
Current passing I = 5 A
We know, Heat produced H = Work done W
Work done W = VQ = VIt
Heat produced H = VIt
The energy used by kettle is = VIt = 60×5×5×60 = 90000 J
30√20 m/s
Given,
Potential difference = 60 V
Current passing I = 5 A
We know, Heat produced H = Work done W
Work done W = VQ = VIt
Heat produced H = VIt
The energy used by kettle is = VIt = 60×5×5×60 = 90000 J
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