A lamp consumes 1000 J of electrical energy in 10 s.

Question.
A lamp consumes 1000 J of electrical energy in 10 s. What is its power ?

Solution:

Power $=\frac{\text { Energy }}{\text { Time }}=\frac{1000}{10}=100 \mathbf{W}$
NCERT Questions Class 9 Science chapter 11 Work Power Energy

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