In case of four wires of same material, the resistance will be minimum if the diameter and length of the…

In case of four wires of same material, the resistance will be minimum if the diameter and length of the wire respectively are
  1. D/2 and L/4
  2. D/4 and 4L
  3. 2D and L
  4. 4D and 2L

Solution

4D and 2L

Asked in: CBSE

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