In the circuit shown in figure, if ammeter and voltmeter are ideal, then the power consumed in $9 \,\Omega$ resistor will be .......... $W$
Medium
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(b)
No current goes through ideal voltmeter
$i=\frac{30}{30}=1 \,A$
$P=\frac{4}{9} .9=4 \,W$
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