The magnet of a vibration magnetometer is heated so as to reduce its m – McqOptions

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1.	The magnet of a vibration magnetometer is heated so as to reduce its magnetic moment by 19%. By doing this the periodic time of the magnetometer will [MP PMT 2000, 01]
A.	Increase by 19%
B.	Decrease by 19%
C.	Increase by 11%
D.	Decrease by 21%
Answer» D. Decrease by 21%

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