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Two similar bar magnets are vibrating in the earth's magnetic field with their opposite poles on same side.Find the time period of oscillation.

Two similar bar magnets are vibrating in the earth's magnetic field with their opposite poles on same side.Find the time period of oscillation.

Grade:12

1 Answers

Anil Pannikar AskiitiansExpert-IITB
85 Points
10 years ago

 

Dear Pratik,

 The time period of vibrating T = where is the moment of inertia of the bar magnet about the axis of oscillation.
m = mass of the magnet
l = length of the magnet
b = breadth of the magnet
BH= horizontal component of earth's magnetic field


  here,  M' = M - M = 0 as opposite poles on same side

as T is inversly proportional to M so,  T = ∞

 

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Askiitians Expert

Anil Pannikar

IIT Bombay

 

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