Question

last question ....

define Flemings left hand rule....

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Answer 1

Answer:

Fleming's left-hand rule for electric motors is one of a pair of visual mnemonics, the other being Fleming's right-hand rule.

Answer 2

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Fleming’s Left-Hand Rule is a simple and accurate way to find the direction of force or motion of the conductor in an electric motor when the magnetic field direction and the current direction are known. It was originally developed by John Ambrose Fleming, an English electrical engineer, in the late 19th century.

At its core, the left-hand rule is a visual mnemonic that uses the thumb, the index finger, and the middle finger of the left hand. The hand is held with the palm up, the thumb and middle fingers aligned as though they were joined end-to-end, and the index finger held out in a perpendicular fashion. The rubric for this rule is as follows:

• Thumb: The thumb is a representation of the direction of thrust on the conductor.

• Index Finger: Also known as the forefinger, this represents the direction of the magnetic field.

• Middle Finger: Also known as the center finger, is representative of the direction of the current.