A bar magnet is brought towards a conducting loop, along the loop\'s axis, with

Question

A bar magnet is brought towards a conducting loop, along the loop's axis, with constant velocity as drawn in the first figure below. The north pole is closest to the loop as the magnet approaches from the left, and the magnet travels completely through the loop. The first figure below shows the magnet before it enters the loop. Select the plot of the magnitude of the magnetic flux through the loop; t1/2 is the time when the magnet is halfway through the loop Select One of the Following (a) Figure (a) Figure (e) (b) Figure (b) (c) Figure (c) (d) Figure (d) (e) Figure (a) Figure (b) time tiime Figure (c) Figure (d) Figure (e) tiime tiine time

Explanation / Answer

Figure c is correct option.

When magnet is half way through loop line leaving loop is equal to leaving loop so net Flux with loop is zero. Also as magnet passes through loop after t/2 Flux associated with loop increases.

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