Question

state right hand thumb rule​

Answer 1

right hand thumb rule:-

imagine that you have held the conductor in your right hand in such a way that your thumb points in the direction of current. then turn your fingers around the conductor, the direction of the fingers is the direction of the magnetic lines of force .

Answer 2

Answer:

Thumb rules state that if thumb of the right hand points along direction of current, then the remaining curled , fingers of same hand gives the direction of the magnetic field due to the current.