Question

Right hand rule to determine the direction of magnetic field due to current carrying wire

Answer 1

hey here is ur answer

it's Maxwell right hand thumb rule used rule to determine the direction of magnetic field due to current carrying wire

consider u r carrying a straight current carrying wire in ur hand in such a way that the thumb points towards the direction of current flowing ABDC the direction in which the fingers encircle the wire gives u the direction of magnetic field

I hope this helps you