Given below are two statements. One is labelled as Assertion (A) and the other is labelled as reason (R).

In the light of the given statements, choose the correct answer from the options given.

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Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true but (R) is not the correct explanation of (A)

(A) is true but (R) is false

Both (A) and (R) are false

answer is A.

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Detailed Solution

At a neutral point, the net magnetic field due to the magnet and earth is zero. A compass needle thus, will not show any particular direction. Therefore, a magnetic compass needle will point in any arbitrary direction in the region of the neutral point.

The magnetic field of earth is balanced by field due to magnets at the neutral point and thus the net magnetic field becomes zero.

Therefore the reason is true and explains the assertion correctly.

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