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

Numerical

Power = `"Energy consumed (or work done)"/"Time taken"`

W = 1000 J, t = 10 s

i.e., P = `W/t`

= `(1000 J)/(10 s)`

= 100 J/s

i.e., P = 100 W

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