Question

explain fleming's left hand thumb rule

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five marks answer

pre board on 20​

Answer 1

Fleming's left hand rule:

Stretch the first three fingers of the left hand mutually perpendicular to each other such that the forefinger points the direction of magnetic field, the middle finger points the direction of current, then the thumb will indicate the direction of force experienced by the conductor. It is applied to the direction of the current and field perpendicular to each other

Answer 2

Explanation:

if the forefinger , thumb and middle finger of left hand are stretched mutually perpendicular and the forefinger points along the direction of external magnetic field ,middle finger indicates the direction of current , then thumb points the direction of force acting on the conductor .