Question

A lamp consumes 500 joules of energy in 5 seconds. What is its power?

Urgent

Answer 1

Answer:

100 W

Explanation:

Work done = 500 J

Time = 5 seconds

So

Power= Work/ Time

=500/5

=100 W

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Answer 2

$\huge{\orange{\underline{\underline{Answer:-}}}}$

Given:

Energy consumed = 500 J

Time taken = 5 seconds

To find:

Power = ?

Solution:

$\\ \\ Power = \dfrac{ Energy \: consumed}{ Time \: duration } \\ \\ = \dfrac{500}{5} \\ \\ = 100 \: watt \: or \: joule \: per \: sec$

Required answer:

Thus, power of the lamp is 100 watt or 100 joule per sec

Extra points:

# To convert watt into kilowatt multiply watt with 1000. Solve more such questions to solve it easily