1.

A uniform but time varying magnetic field exists in cylindrical region and directed into the paper. If field decreases with time and a positive charge is placed at any point inside the region, then it moves :-(1)along 1(2)along 2(3)along 3(4)along 4

Answer»

The positive charge placed at any point inside the region moves along the arrow 4

  • The magnetic field is decreasing in the circuit, the INDUCED electric field should be increasing in LOOP.
  • The increase in induced emf in the loop produces current which flows in clock-wise direction.
  • If a positive PARTICLE is placed at any point it also will MOVE in clockwise direction i.e., along the direction of arrow 4.


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