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Question

Assertion :At neutral point, a compass needle point out in any arbitrary direction Reason: Magnetic field of earth is balanced by field due to magnets at the neutral points


A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
A neutral point is a point near a given magnet, where the magnetic field due to the magnet is equal and opposite to the horizontal component of the earth's magnetic field, so that the net magnetic field at that point becomes zero. At the neutral point the magnetic field needle will not point in any particular direction.

Physics
NCERT
Standard XII

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