Question

A 50 watt electric bulb is used for 10 hours everyday. how much electricity does it consumes everyday? *​

Answer 1

Explanation:

one 50 W bulb for 1 hour = 50 Watt-Hour

10 50 W bulbs for 1 hour = 50*10 = 500 Wh

No. of hours = 10 hours / per day * 30 days = 300 hours

so, 10 50W bulbs for 10 hours/per day for 30 days = 500 * 300 Wh

1 Kilowatt hour = 1000 watt hour

so energy in KWh = 150 KWh.

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