A dynamo develops $0.5 A$ at $6 V$ , the power delivered is ______.

30 W

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3 W

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1.5 W

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2.5 W

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Solution

The correct option is B $3 W$
Given,
$i = 0.5 A V = 6 v o l t$
Power is given by $P = V I$

$⟹ P = 6 \times 0.5$

$⟹ P = 3 W$

Answer-(B)

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