Intext Question VII — task. Science CBSE, Class 9.

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A lamp consumes

$1000\ J$ of electrical energy in

$10\ s$ . What is its power?

If the lamp does a work

$W$ in time

$t$ , then power is given by:

$Power\ (P)\ =\ {Work\ (W)} \times {Time\ (T)}$
$Power\ (P)\ =\ \frac{Work\ (W)}{Time\ (T)}$

Power (

$P$ )

$=$

$W$

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