Fundamentholfundamenthol
JEE Main2019Physics
Q.

A metal wire of resistance 3 is elongated to make a uniform wire of double its previous length. This new wire is now bent and the ends joined to make a circle. If two points on this circle make an angle 60° at the centre, the equivalent resistance between these two points will be :

  1. A

  2. B

  3. C

  4. D

Solution

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