Assertion (A): A magnet remains stable, If it aligns itself with the field
Reason (R): The P.E. of a bar magnet is minimum, if it is parallel to magnetic field.
Both A and R are true and R is the correct explanation of A.
Both A and R are true and R is not correct explanation of A.
A is false, But R is true
A is true, But R is false
A
Both A and R are true and R is the correct explanation of A.
B
A is true, But R is false
C
A is false, But R is true
D
Both A and R are true and R is not correct explanation of A.
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Solution
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The magnet remains stable,if it align itself with the field as its potential will be minimum in that position. μ=−→M.→B =−MBcosΘ
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