JEE Mains · Physics · STD 12 - 3. current electricity
In the given figure switches \(S_{1}\) and \(S_{2}\) are in open condition. The resistance across \(a b\) when the switches \(S_{1}\) and \(S_{2}\) are closed is \(...\,\Omega\)
- A \(5\)
- B \(63\)
- C \(10\)
- D \(4\)
Answer & Solution
Correct Answer
(C) \(10\)
Step-by-step Solution
Detailed explanation
\(\frac{12 \times 6}{12+6}+2+\frac{6 \times 12}{6+12}\) \(\frac{72}{18}+2+\frac{72}{18}=4+2+4=10\, \Omega\)
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