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A uniform wire of resistance R is streched uniformly n times and then cut to form five identical wires. These wires are arranged in the form of wheat stone bridge. The effective resistance of the bridge is ?

A uniform wire of resistance R is streched uniformly n times and then cut to form five identical wires. These wires are arranged in the form of wheat stone bridge. The effective resistance of the bridge is ?

Grade:12

2 Answers

Arun
25750 Points
5 years ago
Dear Shivansh
 
Please attach an image. I will be happy to help you.
 
Regards
Arun (askIITians forum expert)
Khimraj
3007 Points
5 years ago
resistance of streched wire = n2R
resistance of fiveidentical wires = n2R/5
then effective resistance of balanced wheat stone bridge = n2R/5
Hope it clears.

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