Question

The right hand thumb rule is called Maxwell's
cork-screw rule. What is the cork-screw rule?​

Answer 1

Maxwell's screw rule : If a right handed cork screw is assumed to be held along the conductor, and screw is rotated such that it moves in the direction of the current, direction of magnetic field is same as that of the rotation of screw. It is also known as Maxwell's corkscrew rule or Right handed corkscrew rule.