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MCQEasyJEE Main 2023 · 24 January, Shift 1Faraday's Laws of EMI

Physics Question from JEE Main 2023 · 24 January, Shift 1

A conducting loop of radius 10π cm\frac{10}{\sqrt{\pi}} \, \text{cm} is placed perpendicular to a uniform magnetic field of 0.5 T0.5 \, \text{T}. The magnetic field is decreased to zero in 0.5 s0.5 \, \text{s} at a steady rate. The induced emf in the circular loop at 0.25 s0.25 \, \text{s} is:

  • A

    1 mV1 \, \text{mV}

  • B

    10 mV10 \, \text{mV}

  • C

    100 mV100 \, \text{mV}

  • D

    5 mV5 \, \text{mV}

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