Answer
(c) No, because the direction you get will be opposite to the correct direction
Work Step by Step
According to right hand rule, if the fingers point the direction of the magnetic field and the thumb points the velocity of the charge, then the palm of the hand indicates the direction of the magnetic force that acts on a positive charge. Therefore, if one accidentally use left hand, instead of right hand, the direction of magnetic force will be opposite to the correct direction.
