Question

An electric heater drows e current of 10A when connected
to 220V line. What is the resistance of the coil​

Answer 1

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

Answer 2

Answer:

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