Question

state Fleming's left hand rule. Give one use of this rule. [3 marks ]​

Answer 1

Answer:

Stretch your thumb , forefinger and middle finger of your left hand proportional to each other. Middle finger shows the direction of current , forefinger shows the direction of magnetic field , then the thumb shows the direction of force.

This rule can be used to find the direction of force

Answer 2

Fleming's left hand rule states that when we stretch the fore finger, central finger and thumb of left hand in mutually perpendicular direction, then

Fore Finger Indicate direction of magnetic field.

central finger indicates direction of current.

thumb indicates direction of force.

The main purpose of the rule is to find the direction of motion in an electric motor.