In a meter-bridge experiment, two resistances P and Q are connected in series in the left gap. When the resistance in the right gap is `50Omega`, the balance point is at at the centre of the slide wire. If P and Q are connected in parallel in the left gap, the resistance in the right gap has to be changed to `120Omega` so as to obtain the balance point at the same position. find P and Q.

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Correct Answer - `P=30Omega,Q=20Omega`

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