Question

If an electric bulb of 100 W is lighted for
3 hours daily. How much electrical energy
would be consumed daily? Also find the cost if
cost per unit is 3.
Don't post irrelevant answers
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Answer 1

Answer:

ANSWER :-

Electric energy consumed per day

= power of bulb* no. of hrs

= 100*2

= 200 wh

= 0.2 kWh

so, cost of lighting bulb = rate * electric energy

= Rs (2*0.2)

= Rs 0.4

That means the cost of lighting bulb for 2 hrs.

= 40 paise.

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