Which of the following methods can be used to change the direction of force on a current carrying conductor?
(i) Changing the magnitude of current
(ii) Changing the strength of magnetic field
(iii) Changing the direction of current

Correct option is A

The Correct Option is A)

The method that can be used to change the direction of force on a current-carrying conductor is:

(iii) Changing the direction of current

Explanation:

The force on a current-carrying conductor in a magnetic field is determined by Fleming's Left-Hand Rule, which states that the direction of force depends on:

1. The direction of the current (I).
2. The direction of the magnetic field (B).

Thus, changing the direction of the current changes the direction of the force.

(i) Changing the magnitude of current and (ii) Changing the strength of the magnetic field will only change the magnitude of the force, not its direction.