Question

A cylindrical conducting rod is kept with its axis along positive z-axis, where a uniform magnetic field exists parallel to z-axis. The current induced in the cylinder is

42805
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A

zero

B

clockwise as seen from +z axis

C

anti-clockwise as seen from +z axis

D

opposite to the direction of magnetic field.

Medium
JEE Advanced
Updated on : 2022-09-05
Solution
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Correct option is A)

The induced emf in a conducting rod of length , moving with a velocity , in a uniform magnetic field, is given by,
              ,
where angle between and ,
in the given problem, as the rod is static i.e. and parallel to the magnetic field therefore induced emf in rod will be              ,
hence,   (induced current)

Solve any question of Electromagnetic Induction with:-
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