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Question: Answered & Verified by Expert
In the arrangement shown, the equivalent resistance between points \( \mathrm{A} \) and \( \mathrm{B} \) is :
PhysicsCurrent ElectricityJEE Main
Options:
  • A \( \frac{3 \mathrm{R}}{4} \)
  • B \( \frac{\mathrm{R}}{2} \)
  • C \( \frac{5 \mathrm{R}}{8} \)
  • D \( 2 \mathrm{R} \)
Solution:
1296 Upvotes Verified Answer
The correct answer is: \( \frac{5 \mathrm{R}}{8} \)

The circuit shown in diagram (1) can be redrawn as shown in diagram (2).

∴      R AB = 5 R 8

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