Define Direction of Force - QS Study
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The direction of force on a current carrying conductor placed in a magnetic field is given by 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 points in the direction of the current, then the thumb points in the direction of the force on the conductor.

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