right hand thumb rule- maxwell’s corkscrew rule

 

                     Right hand thumb rule

 

Imagine that you are holding the current carrying straight conductor in your right hand in such a way that the thumb points towards the direction of the current. And your fingers which is surroundings the straight conductor points in the directions of the field lines of the magnetic field.  This is called as right hand thumb rule.

This is also called as maxwell’s corkscrew rule.

 

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