1 point
Q.8 A magnet is moved
towards a coil (i) quickly (ii)
slowly. The induced potential
difference will be
(a) More in (i) case than in (ii) case
O (b) More in (ii) case than in (i) case
O (c) Same in both cases
O Yd) Can't say
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Explanation:
According to Faraday's Law: E= dϕ/dt
If the magnet moves quickly, the rate of change of flux is also higher, hence the EMF induced is larger in case (i).
OR
When a magnet is moved towards the coil quickly, rate of change of flux is larger that that if the magnetic is moved slowly, thus larger emf is induced due to quick movement of the coil
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