A bar magnet of magnetic moment 200 A-m2 is suspended in a magnetic fi – McqOptions

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1.	A bar magnet of magnetic moment 200 A-m2 is suspended in a magnetic field of intensity 0.25 N/A-m. The couple required to deflect it through 30o is [AFMC 1999; Pb. PET 2000]
A.	50 N-m
B.	25 N-m
C.	20 N-m
D.	15 N-m
Answer» C. 20 N-m

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