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  • Help me understand! In vibrational magnetometer the time period of suspened bar magnet can be reduced by

In vibrational magnetometer the time period of suspened bar magnet can be reduced by

  • Option 1)

    Moving it towards south

  • Option 2)

    Moving it towards North

  • Option 3)

    Moving it towards Equator

  • Option 4)

    None of these

 

Answers (1)

best_answer

At equator BH increases

T = 2\pi\sqrt{\frac{I}{mB}} \Rightarrow B_{H} \uparrow \&\; T \downarrow

 

SHM of Bar Magnet in a Magnetic Field -

T = 2\pi \sqrt{\frac{I}{MB}}

I \rightarrow Moment of Inertia of magnet

M \rightarrow Magnetic moment of magnet

B \rightarrow Magnetic field

- wherein

* In uniform Magnetic field Bar magnets performs SHM.

* Formula

 

 

 


Option 1)

Moving it towards south

This is incorrect.

Option 2)

Moving it towards North

This is incorrect.

Option 3)

Moving it towards Equator

This is correct.

Option 4)

None of these

This is incorrect.

Posted by

divya.saini

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