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

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

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The power is given by :

$P\ =\ \frac{W}{t}$

or                                                    $=\ \frac{1000}{10}\ =\ 100\ watt$

Thus power is 100 watt.

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