Question

The power of a lamp is hundred watt find the energy consumed by it in 1 minute

Answer 1

We know that power = energy/time

Energy = power*time

Energy = 100 * 60

Energy = 6000 Ws

Answer 2

Energy consumed by lamp is 6000 J or 6 k J

Explanation:

• Power consumption by any electric device is given as ratio of energy consumed per unit time taken

$Power = \frac{energy}{Time Taken}$

Power can also be defined as rate of change of doing work

Given, Power = 100 W

Time Taken = 1 minute = 60 sec

Energy consumed = Power * Time taken

=> Energy = 100 * 60

=> Energy = 6000 J

or

=> Energy = 6 k J

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