when using the right - hand rule to determine the direction of the magnetic force on a charge, which part of…

when using the right - hand rule to determine the direction of the magnetic force on a charge, which part of the hand points in the direction that the charge is moving?\no palm\no fingers\no back\no thumb
Answer
Brief Explanations:
The right - hand rule for magnetic force on a charge states that the thumb points in the direction of the velocity of the charge (the direction the charge is moving). The fingers point in the direction of the magnetic field and the palm points in the direction of the magnetic force on a positive charge.
Answer:
D. thumb