Q.

A compass is placed between two magnets of equal magnetic strength as shown in the diagram. In which direction will the compass needle point :


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a

The compass needle shows zero deflection

b

The compass needle points north

c

The compass needle points south

d

None of these 

answer is A.

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Detailed Solution

Concept- We must be aware of the magnetic field lines produced by the two bar magnets when they are positioned side by side and monitor the field lines that both bar magnets emit in order to answer this issue.
Question ImageThe diagram above, which displays the magnetic field lines produced by a bar magnet's two narrowly spaced north poles. The magnetic field lines merge and grow thicker between the poles when the opposing poles of two magnets are brought together because similar poles repel one another
The magnetic compass needle points in the direction of the earth's magnetic field when it is placed between the two bar magnets, thus there is zero deflection. Due to bar magnetic induction, the magnetic field lines cancel out one another in between.
Thus, there is no deviation seen in the compass needle.
Additionally, the compass needle itself exhibits magnetism. The compass needle points north when we hold it up to the bar magnet. Therefore, we may say that a compass's north point is drawn to the magnet's south pole.
Hence, the correct option is1.
 
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