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Electromagnetic Induction question

2025 · 28 Jan · Shift 2 · Q54
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Electromagnetic Induction question

2025 · 28 Jan · Shift 2 · Q54

JEE MainPhysicsElectromagnetic InductionMCQ+4 / −1
A uniform magnetic field of 0.4 T acts perpendicular to a circular copper disc 20 cm in radius. The disc is having a uniform angular velocity of 10 π\piπ rad s-1 about an axis through its centre and perpendicular to the disc. What is the potential difference developed between the axis of the disc and the rim? (π=3.14)(\pi=3.14)(π=3.14)
  1. A
    0.5024 V
  2. B
    0.0628 V
  3. C
    0.2512 V
  4. D
    0.1256 V
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