Question

what is right thumb rule??

Answer 1

The direction of the cross product may be found by application of the right hand rule as follows: The index finger points in the direction of the velocity vector v. The middle finger points in the direction of the magnetic field vector B. The thumb points in the direction of the cross product F...

i hope my answer is wright..

Answer 2

the direction of the right thumb indicates the direction of current and the direction of the four fingers indicate the direction of magnetic lines of force
hope it helps .....
:) if found useful mark brainliest pls