Question

What is Fleming's left hand rule

Answer 1

a mnemonic concerning the behaviour of a current-carrying conductor in a magnetic field, according to which the directions of the magnetic field, the current, and the force exerted on the conductor are indicated respectively by the first finger, second finger, and thumb of the left hand when these are held out perpendicular to each other.

Answer 2

1. Stretch the thumb, fore finger and middle finger of your left hand such that they are mutually perpendicular.
2. If fore finger points in the direction of magnetic field, middle finger in the direction of current, then the thumb will point the direction of motion