Answer :


Given:


Velocity of meter stick


Intensity of magnetic field


Length of stick =1m


We know that,


motional emf produced due to a conductor of length l moving with velocity v in a magnetic field B is given by



Since v and B are perpendicular and their cross product is parallel to l, eqn.(i) reduces to



Putting the values of v, B and l we get,



Therefore, emf induced between the ends of a stick is 0.4V


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