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MHT CET 2022 Physics question

PhysicsExperimental SkillsMHT CET 2022

The resistance in the left and right gaps of a meter bridge are 10 and 30 respectively. If the bridge is balanced, then the distance of the null point from the center of the wire is

Answer: (C)

Solution

At balance of a meter bridge, , where is the balancing length measured from the left end. So cm from the left end. The centre of the wire is at 50 cm, so the distance of the null point

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Question ID VK-094074