A bulb of 40 W is used for 12.5 h each day for 30 days. Calculate the – InterviewSolution

1.

A bulb of 40 W is used for 12.5 h each day for 30 days. Calculate the electrical energy consumed.

Answer»

Energy consumed per day, E = p × t

= 40 × 12.5

= 500 wh

Energy consumed for 30 days

E = 500 × 30 = 15000 wh = 15 kwh

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