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Question

What is the power produced by an appliance marked " $240 V$ , $2 A " ?$
$8.3 W$
$60 W$
$120 W$
$480 W$

A

60 W

B

120 W

C

480 W

D

8.3 W

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Solution

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Relation between power $(P)$ , voltage $(v)$ and current $(I)$ -
$P = V I$
Given,
$V = 240 V$
$I = 2 A$
$\Rightarrow P = 240 \times 2$
$\Rightarrow P = 480 W$

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