Q. State Fleming’s Left Hand Rule.
Answer: Electric motor power direction may be determined using Fleming’s left-hand rule. Despite the fact that it may be used for a wide range of applications, it is most commonly associated with electric motors. It describes the direction of magnetic force, magnetic field, and current in relation to each other.
In accordance with Fleming’s left-hand rule, the three fingers on a person’s thumb, index finger, and middle finger that are perpendicular to one another denote three distinct directions. The thumb shows the direction of force, the middle finger shows the flow of current, and the index finger shows the direction of the magnetic field. According to Fleming’s left hand rule, the wire feels a particular force when an external magnetic force is applied to the magnetic field in the direction of the current.
The operation of an electric motor can help clarify this. Suppose we have an electric motor with two wires on each side that apply force in opposite directions. Both wires have a blue and a pink hue to them. There is now evidence that one wire has upward force and the other has downward force when Fleming’s left hand rule is applied. There is also a fleming’s right hand rule, which uses the same fingers but has a different meaning. Conductor motion is represented by the thumb, the middle finger is aimed at the induced current, and the index finger is a symbol of the magnetic field.