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Electromagnetic Induction question

2010 · Q147
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Electromagnetic Induction question

2010 · Q147

NEETPhysicsElectromagnetic InductionMCQ+4 / −1
A conducting circular loop is placed in a uniform magnetic field, B = 0.025 T with its plane perpendicular to the loop. The radius of the loop is made to shrink at a constant rate of 1 mm s−-−1. The induced emf when the radius is 2 cm, is
  1. A
    2πμV2\pi \mu V2πμV
  2. B
    πμV\pi \mu VπμV
  3. C
    π2μV{\pi \over 2}\mu V2π​μV
  4. D
    2μ\muμVVV
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