The magnetic field associated with a current carrying straight conductor is in anticlockwise direction. If the conductor was held along east - west direction what will be the direction of current through it ? Also state the rule which is used to find the direction of current in this case
The direction of the flow of current can be found out by Maxwell's Right Hand Thumb Rule. The direction in which the fingers of the right hand curl the thumb would point in the direction of the Current.
Now it is given that the magnetic field is in the anti clockwise direction. If we look at the conductor from the right and apply the Thumb rule, the direction of current would be towards the East. However, if you look at the field from the left and apply this rule, the direction of current would be towards the west