Question

what is the importance of right hand thumb rule ​

Answer 1

Answer:

Right hand rules states that "If the current carrying conductor is held in the right hand by pointing thumb finger towards the direction of current flow and the other fingers curled around the conductor then the curled fingers indicate the direction of the magnetic field due to the current carrying conductor".

Answer 2

${\huge {\underline {\purple {\mathbb{ANSWER}}}}}$

Prediction of direction of field (B), given that the current I flows in the direction of the thumb. A different form of the right-hand rule, sometimes called the right-hand grip rule, is used in situations where a vector must be assigned to the rotation of a body, a magnetic field or a fluid.