Question

Difference between Right hand thumb rule and right hand screw rule​

Answer 1

Right hand screw rule - Let the first vector be A from where the right hand screw is rotated, and towards the vector B. So the direction in which the right handed screw is rotated gives the direction of C.

Right hand thumb rule - Here the fingers of the right hand are curled from Vector A to B. Then the direction of erect thumb will give the direction of C.

Answer 2

The right-hand screw rule gives the direction of the magnetic field developed by an electric current in a length of wire. Figure 1(a) refers. ... The right-hand screw rule gives the direction of the magnetic field developed by an electric current in a length of wire.
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