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CBSE - XII Science - Physics - Moving Charges and Magnetism

a wire of density d and cross sectional area A fors three sides of a square and is free to rotate about one of its horizontal sides.A magnetic field B exists in the vertically upward direction. When a current i is passed through the wire, the system comes to rest at an angle X to the vertical. then the value of X is given by
1.cosX=2Adg/iB
2.cotX=2Adg/iB
3.tanX=Adg/2iB
4.sinX=Adg/2iB

Asked by Sunil Soni 7th May 2016, 11:57 PM
Answered by Expert

Answer:

 
Answered by Expert 9th May 2016, 1:18 PM

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