Posted On: Sep 23, 2020
Right hand thumb rule is used to deduce the direction of the magnetic force. As we know, F= qvb
Where F represents the magnetic force; q represent charge; v is velocity of charge particle and b is magnetic field.
The direction of the magnetic force is always at the right angle to the plane formed by v and b which is determined with the help of right thumb rule.
To find the direction of F using the Thumb rule: Point the thumb of the right hand in the direction of v. Point forefinger in direction of B. Direction perpendicular to the palm gives F.
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