An electric heater drows e current of 10A when connected
to 220V line. What is the resistance of the coil
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Explanation:
Current drawn=10A
Voltage=220V
Time=5hr
Electric energy consumed = VIt = 220×10×5
11000Wh = 11KWh
Energy consumed in one day = 11KWh
Energy consumed consumed in 30 days = 11×30 = 330KWh
Cost of one KWh = Rs 5.20
Cost of 330KWh= 330×5.20= Rs. 1716
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