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A 60 W bulb is switched on for 5 hours ...

A 60 W bulb is switched on for 5 hours daily. If the cost of electricity is Rs. 3 per unit, calculate the bill for the month of April.

Text Solution

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Energy consumed by the bulb daily
`=60 W xx 5h`
=300 W h
Energy consumed in the month of April is ` 300 W h xx 30`
=9000 Wh
`:.` cost = 9kWh ` xx ` Rs. 3= Rs. 27
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