Question:medium

In the shown arrangement of the experiment of the meter bridge, if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled? 

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In meter bridge experiments: • Balance point depends on ratio of resistances • Uniform change in wire resistance does not shift null point
Updated On: Mar 19, 2026
  • \(x\)
  • \(x/4\)
  • \(4x\)
  • 2x
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The Correct Option is A

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