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Question: Answered & Verified by Expert
Calculate the effective resistance between A and B in following network.
PhysicsCurrent ElectricityBITSATBITSAT 2011
Options:
  • A $5 \Omega$
  • B $10 \Omega$
  • C $20 \Omega$
  • D $30 \Omega$
Solution:
1001 Upvotes Verified Answer
The correct answer is: $20 \Omega$
Equivalent resistance
$$
\begin{array}{l}
=(5+10+15) \|(10+20+30) \\
\text { So, } R_{\text {eq }}=\frac{30 \times 60}{30+60}=20 \Omega
\end{array}
$$

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