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MHT CET Physics question

PhysicsExperimental SkillsMHT CET

With resistances P and Q in the left and right gaps of a metre bridge, the balance point divides the wire in the ratio 1/3. When P and Q are increased by 40 Ω, the balance point divides the wire in the ratio 3/5. The values of P and Q will be respectively

Answer: (C)

Solution

and , so $+200=3Q+120⇒

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Question ID VK-045221