Question 95: Electromagnetic Induction

Question

A bar magnet is passing through a conducting loop of radius R with velocity $$\upsilon $$. The radius of the bar magnet is such that it just passes through the loop. The induced e.m.f. in the loop can be represented by the approximate curve :

Accepted Answer

$$	o$$ When magnet passes through centre region of solenoid, no current / Emf is induced in loop.
$$	o$$ While entering flux increases so negative induced emf
$$	o$$ While leaving flux decreases so positive induced emf.

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Electromagnetic Induction

A bar magnet is passing through a conducting loop of radius R with velocity $\upsilon $. The radius of the bar magnet is such that it just passes through the loop. The induced e.m.f. in the loop can be represented by the approximate curve :

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