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MHT CET Physics question

PhysicsCurrent ElectricityMHT CET

In a Wheatstone's metrebridge, the null point is obtained at the middle point of the wire. If in one gap the resistance is 10 , then the value of resistance in the other gap is

Answer: (A)

Solution

At the middle point the two wire lengths are equal (50 cm each), so

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Question ID VK-045303