COMEDK2013PhysicsMagnetic Effects of Current
A current flows in a conductor from East to West. The direction of the magnetic field at a point above the conductor is
Options
- Atowards East
- Btowards West
- Ctowards North
- Dtowards South
Correct answer
C. towards North
Step-by-step solution
According to right hand rule, the thumb points in the direction of current, i.e. from East to West, then the curled fingers at a point above the conductor will point in the direction of magnetic field, i.e towards North.