another doubt.....induc..emf..........

BITSAT Sample Questions › Electricity and magnetism questions › another doubt.....induc..emf..........

the size of the loop is reduced by pulling at the wire shown with constant velocity v.B is the magnetic field.At the given instant,the induce emf accross the loop is????????
a.Bvr (r is the radius at the given instant)
b.piBvr
c.Bvr/2pi
d.2Bvr
is it 'a'???

#Physics #Electricity and magnetism

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rahul nair ·2009-06-12 00:58:20

reply plssss........

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