Question

what is right hand thumb rule​

Answer 1

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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.

Answer 2

Explanation:

Fleming's right-hand rule (for generators) shows the direction of induced current when a conductor attached to a circuit moves in a magnetic field. ... The thumb is pointed in the direction of the motion of the conductor relative to the magnetic field.