Question
Question: The variation of induced emf (E) with time (t) in a coil if a short bar magnet is moved along its ax...
The variation of induced emf (E) with time (t) in a coil if a short bar magnet is moved along its axis with a constant velocity is best represented as
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Answer
Explanation
Solution
As the magnet moves towards the coil, the magnetic flux increases (nonlinearly). Also there is a change in polarity of induced emf when the magnet passes on to the other side of the coil.