Question

write Fleming left hand rule and Fleming right hand rule? explain​

Answer 1

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Fleming's left-hand rule is used for electric motors, while Fleming's right-hand rule is used for electric generators. ... In an electric motor, the electric current and magnetic field exist (which are the causes), and they lead to the force that creates the motion (which is the effect), and so the left hand rule is used.

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Answer 2

Fleming's left hand rule :

The forefinger, the middle finger and the thumb of the left hand are stretched in mutually perpendicular directions. If the forefinger points in the direction of the magnetic field, the middle finger in the direction of current, then the thumb points in the direction of the force on the conductor.

Fleming's right hand rule :

The forefinger, the middle finger and the thumb of the right hand are held in three mutually perpendicular directions. If the forefinger points along the direction of the magnetic field and the thumb along the direction of motion of the magnetic field and the thumb along the direction of motion of the conductor, then the middle finger points in the direction of induced current.