Math CentralQuandaries & Queries


Question from ROHAN, a student:

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

Hi Rohan.

1 Joule per second equals 1 watt.

So 1200 Joules in 4 seconds is 1200/4 = 300 watts.

Try your question now.

Stephen La Rocque.

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