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Question: Answered & Verified by Expert
What current will flow through the $2 \mathrm{k} \Omega$ resistor in the circuit shown in the figure?
PhysicsCurrent ElectricityJEE Main
Options:
  • A $3 \mathrm{mA}$
  • B $6 \mathrm{mA}$
  • C $12 \mathrm{mA}$
  • D $36 \mathrm{mA}$
Solution:
2595 Upvotes Verified Answer
The correct answer is: $3 \mathrm{mA}$
From KCL we have


$i=\frac{72}{8 \times 10^{3}}=9 \times 10^{-3} \mathrm{A}$
$$
\begin{aligned}
i \times 6 &=(9-i) \times 3 \\
i &=3 \mathrm{mA}
\end{aligned}
$$

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