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MCQMediumJEE Main 2025 · 22 January, Shift 1Kirchhoff's Laws & Circuits

Physics Question from JEE Main 2025 · 22 January, Shift 1

Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance Rp=1 ΩR_p = 1 \, \Omega as shown in the figure.

An external resistance of Re=2 ΩR_e = 2 \, \Omega is connected via the sliding contact.

The current ii is :

A circuit with a 0.9 V cell across the ends of a 1 ohm potentiometer wire, whose midpoint slider is connected to a 2 ohm external resistor.
  • A

    0.3 A0.3 \, \text{A}

  • B

    1.35 A1.35 \, \text{A}

  • C

    1.0 A1.0 \, \text{A}

  • D

    0.9 A0.9 \, \text{A}

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