A horizontal power line carries a current from East to West direction. What is the direction of the


#1

A horizontal power line carries a current from East to West direction. What is the direction of the magnetic field due to the current in the power line at a point above and at a point below the power line?


#2

According to right hand thumb rule,

(i) The direction of magnetic field at a point above the power line is from South to North.
(ii) The direction of magnetic field at a point below the power line is from North to South.