9. A toaster of 4 kw is running in an existing circuit 110 volt that has a stream running of 4 A. Find the stream of electrons drawn by the toaster
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A toaster of 4 kw is running in an existing circuit 110 volt that has a stream running of 4 A. Find the stream of electrons drawn by the toaster
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Energy dissipated is given by:
E=VIt
=220×8×2 Wh
=3.52 kWh
The cost per kWh is Rs. 4.50
Hence, the cost of running the kettle for two hours is:
3.52×4.50=Rs. 15.84
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