When a current carrying wire is held parallel to and above a compass needle and the current flows from North to South, which direction the N-Pole of the compass needle will get deflected?
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Explanation:
. Why does a compass needle get deflected when brought near a bar magnet?
Ans. A compass needle is a small bar magnet with north and south pole. The compass needle deflects due to repulsion/attraction with the bar magnet.
2. Draw magnetic field lines around a bar magnet.
Ans.
3. List the properties of magnetic lines of force.
Ans. Properties of magnetic field lines of force:
(i) Magnetic field lines travel from N-pole of magnet towards 5-pole, outside the magnet and from S-pole to N-pole inside the magnet.
(ii) The strength of magnet/magnetic field is given by how close the field lines are if the field lines are closer magnet is stronger.
(iii) No two magnetic field lines ever intersect each other.
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