Science, asked by believe07, 1 year ago

how long 40 watt bulb has to glow to spend one unit of energy?

Answers

Answered by Anonymous

4

1 unit of electricity=1000 Watt hour

Time taken by 40 watt bulb to consume 1000 Watt hour =1000/40 hour=25 hours.

believe07: tnx

Answered by vg608153

1

One unit is one KWh i.e One thousand watt power in one hour.

As the bulb is only 40W , it will be

1000Wh = 40 * t

i.e t = 25 hours

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