Physics-
General
Easy

Question

A wire carrying current i is shaped as shown. Section A B is a quarter circle of radius r. The magnetic field is directed

  1. At an angle pi divided by 4 to the plane of the paper    
  2. Perpendicular to the plane of the paper and directed in to the paper    
  3. Along the bisector of the angle A C B towards A B    
  4. Along the bisector of the angle A C B away from A B    

The correct answer is: Perpendicular to the plane of the paper and directed in to the paper


    Use Right hand palm rule or Maxwell’s Cork screw rule

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