Question

On reversing the direction of current in a wire, the magnetic field produced by it ______.

Options

• increases in intensity

• remains unaffected

• reverses in direction

• decreases in intensity

Answer 1

On reversing the direction of current in a wire, the magnetic field produced by it reverses in direction.

Explanation:

According to the Right-Hand Thumb Rule, changing the direction of current completely reverses the direction of the surrounding magnetic field lines.