JEE · NEET Previous Year Question
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 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?
Topic: JEE PYQ
Answer: C. Full step-by-step solution below.
- A0.5024 V
- B0.0628 V
- C0.2512 V
- D0.1256 V
Correct answer: C
Solution
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