The variation of induced emf$(\varepsilon)$ with time (t ) in a coil if a short bar magnet is moved along its axis with a constant velocity is best represented as [image:6_image7.jpeg]

Question

Dr. Abubacker · Accepted Answer

(b) Polarity of emf will be opposite in the two cases while entering and while leaving the coil. Only in option (b) polarity is changing.

Q. The variation of induced emf$(\varepsilon)$ with time (t ) in a coil if a short bar magnet is moved along its axis with a constant velocity is best represented as

Explanation

Reviewed by Dr. Abubacker

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