Question

what is the application of Maxwell's right hand thumb rule.?

Answer 1

in maxwell's Right Hand Thumb Rule he told that the thumb is placed in the direction of current in the court finger will show the magnetic field across the conductor

Answer 2

Hold the wire carrying current in your right hand so that the thumb points along the wire in the direction of the current, then the fingers will encircle the wire in the direction of the lines of magnetic force