# An electric bulb of 60 W is used for 6 h per day. Calculate the ‘units’ of energy consumed in one day by the bulb.

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An electric bulb of 60 W is used for 6 h per day. Calculate the ‘units’ of energy consumed in one day by the bulb.

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Given

Power = 60 W =$\frac{60}{1000}$ =0.06 Kw

(∵ 1Kw = 1000 W).

Time (t) = 6 hours.

Now

Power = $\frac{Energy\,Consumed}{Time\,taken}$

⇒ Energy Consumed = Power × Time taken

= 0.06 × 6 = 0.36kWh

Hence 0.36 unit of electricity is consumed by a bulb in one day.

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