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 \(....cm\)

- A \(2\)
- B \(40\)
- C \(4\)
- D \(400\)
Answer & Solution
Correct Answer
(B) \(40\)
Step-by-step Solution
Detailed explanation
Independent of area in case of uniform wire.
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