A circular copper disc 10 cm in diameter rotates at 1800 revolution per minute about an…
Physics · Class 12 · CBSE — Electromagnetic Induction
A circular copper disc 10 cm in diameter rotates at 1800 revolution per minute about an axis through its centre and at right angles to disc.
A uniform field of induction B of 1 Wb m–2 is perpendicular to disc. What potential difference is developed between the axis of the disc and the rim?
A uniform field of induction B of 1 Wb m–2 is perpendicular to disc. What potential difference is developed between the axis of the disc and the rim?
- 0.023 V
- 0.23 V
- 23 V
- 230 V
Answer
(B) 0.23 V
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