Question

An electric bulb of 60 watt and a heater of 940 what is used for 6 hours per day if the cost of electricity is 3 rupees per unit then calculate the electricity bill of one day?

Answer 1

Usage of Electric bulb = 60W

Usage of Electric heater = 940W

Total Power usage = 940 + 60 = 1000W

Total Power usage in kW $=\frac{1000}{1000}$

$=1 kW$

Total time = 6 hours

Therefore, total Energy used $= kW \times hours$

$=1 \times 6$

$=6$

Rate per kWh = ₹3

Therefore, total cost for one day $= Rate \times kWh$

$= 3 \times 6$

$= 18$

The electricity bill for one day is ₹18.

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