Q141 / 150 · MHT CET 2024 (11 May Shift 1) · Physics

The current drawn from the battery in the given network is (Internal resistance of the battery is negligible) Figure

  • A
    1.2 A
  • B
    4 A
  • Correct answer
    C
    2.4 A
  • D
    4.8 A

Solution

The given circuit can be drawn as: Figure
From the figure, we can see that this is a balanced Wheatstone bridge. $\begin{array}{ll} \therefore & \frac{1}{R}=\frac{1}{10}+\frac{1}{10}=\frac{2}{10}=\frac{1}{5} \\ \therefore & R=5 \Omega \\ \therefore & I=\frac{12}{5}=2.4 \mathrm{~A} \end{array}$

Hence, the correct answer is option: 'C'.

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