Question

state Maxwell's cork screw rule

Answer 1

Maxwell's cork screw rule States "Imagine you are advancing a screw such that the direction of advancement of screw gives the direction of current. The direction in which the thumb move give the direction of the magnetic field

Answer 2

Maxwell's cork screw rule is also known as right hand thumb rule
"imagine that you are holding an current carrying straight conductor in your right hand such that the thumb points towards the direction of current and then your fingers will wrap around the conductor in the direction of magnetic field"