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JEE Mains · Physics · STD 12 - 3. current electricity

In the given figure of meter bridge experiment, the balancing length \(AC\) corresponding to null deflection of the galvanometer is \(40\,cm\). The balancing length, if the radius of the wire \(AB\) is doubled, will be \(....cm\)

  1. A \(2\)
  2. B \(40\)
  3. C \(4\)
  4. D \(400\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(40\)

Step-by-step Solution

Detailed explanation

Independent of area in case of uniform wire.
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