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Q. In the network shown in figure, power dissipated in $3\, \Omega$ is $12 \,W$. Power dissipated in $4 \,\Omega$ will bePhysics Question Image

Current Electricity

Solution:

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$1_{2}=i^{2}(3)$
$i=2$
$P=1^{2}(4)=4\, W$