Question

A lamp consume 1000 J of electrical energy in 10 s. What is its power?
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Answer 1

Answer:

100 watts

Explanation:

Energy consumed by the lamp, E = 1000 J. Time, t = 10 s. To find, The power of the lamp. Solution, Power is defined as the work done divided by time. It can be given by the formula as follows : So, the power of the lamp is 100 watts.

Answer 2

Answer:

P = J/s

• P = Power

• J = Joule

• s = Seconds

P = 1000/10

100 W