Questions
The magnet of vibration magnetometer is heated so as to reduce its magnetic moment by 36%. By doing this the periodic time of the magnetometer will
detailed solution
Correct option is B
T=2πIMBH⇒T∝1M⇒T1T2=M2M1If M1 = 100 then M2 = (100 - 36) = 64So, T1T2=64100=810⇒T2=108T1=1.25T1So % increase in time period = 25%Talk to our academic expert!
Similar Questions
The time period of a freely suspended magnet is 4 seconds. If it is broken in length into two equal parts and one part is suspended in the same way, then its time period will be
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