Q

Which statement best describes the application of the Right Hand Thumb Rule to a straight current- carrying conductor?

RRB Group D 09 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: A Thumb points in current direction, fingers curl in magnetic field direction
Point the right-hand thumb in the direction of conventional current; the curled fingers give the direction of the surrounding magnetic field.