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Magnetic Field Due to a Straight Current Carrying Conductor

In Lenz law, ...

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In Lenz law, what is th magnetic field of the coil when the bar magnet facing north pole towards the coil is moved away from it??

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Q. A student connects a coil of insulated wire to a galvanometer. What would be seen if a bar magnet with its north pole towards one face of the coil is:
(a) moved quickly towards it?
(b) moved quickly away from the coil?
(c) placed near the face of the coil?
Name the phenomenon involved.

A coil of insulated wire is connected to a galvanometer. What would be seen if a bar magnet with its south pole towards one face of the coil is moved quickly toward and away from it.

Q. A bar magnet is moved along the axis of a copper ring placed far away from the magnet. Looking from the side of the magnet, an anticlockwise current is found to be induced in the ring. Which of the following may be true?
(a) The south pole faces the ring and the magnet moves towards it.
(b) The north pole faces the ring and the magnet moves towards it.
(c) The south pole faces the ring and the magnet moves away from it.
(d) The north pole faces the ring and the magnet moves away from it.

Q. A bar magnet is taken away from a horizontally placed metal ring, while north pole of the magnet is facing the ring. The current induced in the coil will be in clockwise direction.

Q. The north pole of a bar magnet is moved towards a coil along the axis passing through the centre of the coil when viewed in the direction of the motion of the magnet direction of induced current is:

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