CUET · PHYSICS · PYQ PAPER 2025
The equivalent resistance between the points a and c of the network shown in the figure, would be
(Here each resistance is equal to r.)
- A 3r/2
- B 2r/3
- C r/3
- D r/2
Answer & Solution
Correct Answer
(B) 2r/3
Step-by-step Solution
Detailed explanation
Due to the vertical symmetry of the circuit, the points \(d, o\), and \(b\) are at the same potential, meaning no current flows through the vertical resistors. Removing them leaves three parallel branches, each with a resistance of \(2 r\) ( \(r+r\) in series). The equivalent…
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