Question

a bulb of power 40W is used for 12.5h each day for 30 days. calculate the electrical energy consumed.

Answer 1

P = 40W

T = 12.5 × 30 = 375 Hr

E = P × T

= 40 × 375

= 15000 Wh

Hence energy consumed will be 15000Wh.



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Answer 2

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