Question: (i) A U shaped conductor as shown in figure below is placed in magnetic field B directed into the page. A metal road of

(i) A U shaped conductor as shown in figure below is placed

(i) A U shaped conductor as shown in figure below is placed in magnetic field B directed into the page. A metal road of length L slides across the two arms of the conductor with a velocity v. Show that the magnitude of resulting induced emf is &=-BLv. (ii) Calculate the e.m.f. induced between the ends of an axle 1.75 meter long of a railway carriage travelling on level ground with uniform speed of 50 km/hour. The vertical component of earth magnetic field is 5.0x 10Wb/ m2.

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