Magnet is an object that attracts objects made of iron, cobalt and nickle. Magnet comes to rest in North – South direction, when suspended freely.
Properties of Magnet
A free suspended magnet always points towards the north and south direction.
The pole of a magnet which points toward north direction is called north pole or north-seeking.
The pole of a magnet which points toward south direction is called south pole or south seeking.
Like poles of magnets repel each other while unlike poles of magnets attract each other.
Shaalaa.com | Magnetic Effects of Current part 1 (Introduction)
When the switch S is closed in the figure given below, the pointer of the galvanometer moves to the right.
If S is kept closed, will the pointer:
(a) return to zero?
(b) stay over on the right?
(c) move to the left and stay there
(d) move to and fro until S is opened
Fill in the following blank with suitable words:
If a coil is viewed from one end and the current flows in an anticlockwise direction, then this end is a ........... pole.
The north pole of a long bar magnet was pushed slowly into a short solenoid connected to a galvanometer. The magnet was held stationary for a few seconds with the north pole in the middle of the solenoid and then withdrawn rapidly. The maximum deflection of the galvanometer was observed when the magnet was:
(a) moving towards the solenoid
(b) moving into solenoid
(c) at rest inside the solenoid
(d) moving out of the solenoid
A coil is connected to a galvanometer. When the N-pole of magnet is pushed into the coil, the galvanometer deflected to the right. What deflection, if any, is observed when:
the S-pole is inserted?