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MHT CET 2023 (13 May, Shift 1) · Wheatstone Bridge & Metre Bridge

Wheatstone Bridge & Metre Bridge question from MHT CET 2023 (13 May, Shift 1)

Q41MHT CET 2023 · 13 MAY · SHIFT 1Medium

Wheatstone Bridge & Metre Bridge

In a given meter bridge, the current flowing through 40 Ω40\ \Omega resistor is

Figure

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Answer: (d)

  1. Check balance: 510=2040\dfrac{5}{10} = \dfrac{20}{40}, so the bridge is balanced and Ig=0I_g = 0.
  2. The current I2I_2 entering the 20 Ω20\ \Omega arm continues fully into 40 Ω40\ \Omega.
  3. So the answer is (d) I2I_2.
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