In the circuit shown below, the resistances are given (in $\Omega$ ) and the battery is assumed ideal with emf equal to $3.0 \,V$. The resistor that dissipates the most power is
KVPY 2011, Medium
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(a)
Given circuit is
Above circuit can be reduced to following equivalent circuit.
So, power dissipation is maximum in $40 \,\Omega$ resistor marked $A$ as current through it is maximum.
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