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

We know that, $$Power \ = \ \frac{Work}{Time}$$

Time = 10 s

Work done = Energy consumed by the lamp = 1000 J

$$\therefore Power \ = \ \frac{1000}{10} \ = \ 100 \ J/s \ = \ 100 \ W$$