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  • Two magnets of magnetic moments M and 2M are placed in a vibration magnetometer, with the identical poles in the same direction. The time period of vibration is T1 . If the magnets are placed with

Two magnets of magnetic moments M and 2M are placed in a vibration magnetometer, with the identical poles in the same direction. The time period of vibration is T1 . If the magnets are placed with opposite poles together and vibrate with time period T2 , then

Option: 1

\mathrm{T_2~ is ~infinite }


Option: 2

\mathrm{T_2=T_1}


Option: 3

\mathrm{T_2>T_1}


Option: 4

\mathrm{T_2^2<T_1}


Answers (1)

best_answer

\mathrm{T}_1=2 \pi \sqrt{\frac{\mathrm{I}_1+\mathrm{I}_2}{(\mathrm{M}+2 \mathrm{M}) \mathrm{H}}}=2 \pi \sqrt{\frac{\mathrm{I}}{3 \mathrm{MH}}} \\
\mathrm{T}_2=2 \pi \sqrt{\frac{\mathrm{I}_1+\mathrm{I}_2}{(2 \mathrm{M}-\mathrm{M}) \mathrm{H}}}=2 \pi \sqrt{\frac{\mathrm{I}}{\mathrm{MH}}} \\

\mathrm{ \text { Obviously, } T_2>T_1}.

Posted by

jitender.kumar

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