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Grade: 12th pass
        
A circular coil of radius R and current I ‘which can rotate about a fixed axis passing through its diameter initially placed such that its plane lies along magnetic field B. Kinetic energy of the loop when it rotates at angle of 90 degrees is
one year ago

Answers : (1)

ROSHAN MUJEEB
askIITians Faculty
825 Points
							use conservation of energy or work energy theorem. note that potential energy of coil is
-MBcostheta. where M is magnetic moment and B is magnetic field and theta angle between them
one month ago
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