H2P-441
Faraday’s law
H2 Physics · JC 2 · Medium · Faraday’s law
A solid disc of radius m rotates at revolutions per second in a uniform magnetic field of flux density T, perpendicular to the plane of the disc. Using Faraday’s law, calculate the magnitude of the e.m.f. induced between the centre and the rim of the disc.
- 1.2 V
- 0.24 V
- 0.59 V
- 7.5 V
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