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A generator is on daily use and in the process, ten 60 W and five 40 W tungsten ...


Question

A generator is on daily use and in the process, ten 60 W and five 40 W tungsten bulbs are on for the same time interval. the energy consumed daily is?

Options

A) 0.96 kWh

B) 19.2 kWh

C) 9.60 kWh

D) 19.20 kWh


The correct answer is B.

Explanation:

Energy consumed = power x time
= (60 W x 10 + 40 W x 5) x 24 h
= (600 W + 200 W ) x 24 h
= 800 W x 24h = 19200 w h
= 19.2 kWh

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