Q

What happens to the magnetic field around a straight current-carrying conductor if the direction of the current is reversed?

RRB Group D 10 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: A The magnetic field direction reverses around the conductor.
The correct choice is The magnetic field direction reverses around the conductor.. The result follows from the relevant magnetic-field, electromagnetic-induction or Fleming/right-hand-rule principle.
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