Two magnets A and B are identical in mass, length and breadth but have – McqOptions

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1.	Two magnets A and B are identical in mass, length and breadth but have different magnetic moments. In a vibration magnetometer, if the time period of B is twice the time period of A. The ratio of the magnetic moments \[{{M}_{A}}/{{M}_{B}}\] of the magnets will be [MP PET 1990; MP PMT 1990]
A.	\[1/2\]
B.	\[2\]
C.	\[4\]
D.	\[1/4\]
Answer» D. \[1/4\]

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