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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A bar magnet is held perpendicular to a uniform magnetic field. If the couple acting on the magnet is to be havled by rotating it , then the angle by which itis to be rotated is

A bar magnet is held perpendicular to a uniform magnetic field. If the couple acting on the magnet is to be havled by rotating it , then the angle by which itis to be rotated is

A bar magnet is held perpendicular to a uniform magnetic field. If the couple acting on the magnet is to be havled by rotating it then the angle by which itis to be rotated is