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Question: Answered & Verified by Expert
In the given circuit all resistance is of the value of R ohm each. The equivalent resistance between A and B is:

PhysicsCurrent ElectricityJEE MainJEE Main 2018 (15 Apr)
Options:
  • A 5R2
  • B 3R
  • C 5R3
  • D 2R
Solution:
2850 Upvotes Verified Answer
The correct answer is: 2R

Resistance of ideal wire would be zero, and hence potential will be the same of all C point as shown in the figure. So effective path of current is shown in figure, 

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