CBSE Class 12-science Answered
a metal disc of radius 200cm is rotated at a constatnt angular speed of 60 rads¯¹ in a plane at right angle to an external uniform magnetic field of magmetics induction 0.05 T.find the emf induced between the centre and a point on the rim.
Asked by sbtech357 | 27 Jul, 2018, 09:31: AM
Expert Answer
emf induced between centre and rim of metal disc = 
B magnetic field flux density, ω is angular speed and R is raius of disc
Answered by Thiyagarajan K | 27 Jul, 2018, 03:34: PM
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