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Q13. An electric bulb draws a current of 0.8A and works on 250V on the average 8 hours a day, if energy costs Rs 3 per kWh. Calculate monthly bill for 30 days.
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Q13. An electric bulb draws a current of 0.8A and works on 250V on the average 8 hours a day, if energy costs Rs 3 per kWh. Calculate monthly bill for 30 days.

User Frnak
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1 Answer

3 votes
using p=v * i
p=250 * 0.8=200w = 0.2kw
power consumed in a day=0.2 *8=1.6 kwh
for one month=1.6 * 30 =48kwh
monthly bills= 48 *3 = Rs 144
User Jokul
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8.5k points
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