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Question 6.1: Predict the direction of induced current in the situations described by the following Figs. 6.18(a) to (f ). (a) (b) (c) (d) (e) (f)Class 12 - Physics - Electromagnetic Induction Electromagnetic Induction Page-229

Answer»

Fig. (a) :here you can see south pole is moving closer , so the current is clockwise in the end of solenoid closest to magnet.

fig.(b) : according to LENZ's law, the current flow anticlockwise in the loop at the left and clockwise in the loop at the RIGHT.

fig.(c) : induced current in the right loop will be xyz direction.

fig.(d) : current is DECREASING with increase in rheostat , so north pole is getting weaker, the current in inner part of loop-1 will flow clockwise.

fig.(e) : induced current in the right coil is from X to Y.

fig.(f) : No induced current since magnetic lines of force are in the plane of the loop.


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