Question

What is cork screw rule ??

Answer 1

Ampere right hand grip rule is used either when a vector must be defined represent the rotation of the magnetic field or vice versa

Answer 2

Maxwell's corkscrew rule imagine a corkscrew held by your hand rotate. the screw head such that its tip advances in the direction of the current in a conductor as shown. the direction in which the thumb or the head of the screw rotates gives. the direction of the magnetic lines of force a magnetic.