Question

The consumption of energy by a 60 watt bulb in 2 sec is

Answer 1

Answer:

Explanation:

60 W = 60 J/sec

60 J/sec x 2 sec =120 J

Answer 2

Answer is 120  Joule.

Work is the result of a force creating a displacement. The length of time that this force exerts to generate the displacement has nothing to do with work. There are times when the work is completed fast, and other times when it is completed slowly.

Power is the rate at which work is done. It is the work/time ratio.

In other words power is a measure of the energy consumed per second. And it is measured as joules/second or watt.

So, 60 Watt bulb, it consumes 60 Joules of energy in one second.

If it is kept ON for 2 seconds, it will consume 120 joules of energy.

Hence answer is 120 J.

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