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MCQEasyJEE Main 2026 · 21 January, Shift 1Faraday's Laws of EMI

Physics Question from JEE Main 2026 · 21 January, Shift 1

A 1 m1 \, \text{m} long metal rod AB completes the circuit as shown in figure. The area of circuit is perpendicular to the magnetic field of 0.10 T0.10 \, \text{T}. If the resistance of the total circuit is 2 Ω2 \, \Omega then the force needed to move the rod towards right with constant speed (v)(v) of 1.5 m/s1.5 \, \text{m/s} is _____ N\text{N}.

A rectangular conducting circuit with a 2 ohm resistor on the left side and a vertical sliding rod AB on the right moving right with speed v in a uniform magnetic field directed into the page.
  • A

    5.7×10−25.7 \times 10^{-2}

  • B

    7.5×10−37.5 \times 10^{-3}

  • C

    7.5×10−27.5 \times 10^{-2}

  • D

    5.7×10−35.7 \times 10^{-3}

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