According to right-hand thumb rule, whose direction is indicated by a thumb?
According to Right-hand thumb rule when we arrange our right hand's thumb in the direction of the current and as we wrap our finger around the current carrying conductor, the wrapped finger will show the direction of the magnetic field.
Hence, the thumb denotes the direction of current.
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.