what is right hand thumb rule?
Asked by neha goel | 14th Aug, 2010, 04:41: PM
It's used to give the resultant vector in vector product. Stretch right hand thumb, forefinger, middlefinger, at right angles to each other, if the forefinger and middlefinger point in the direction of two vectors to be multiplied then the thumb gives the direction of resultant vector.
F = q(vxB)
Now the direction of force acting on moving charge q can be calculated if we stretch the forefinger in the direction of velocity of charge, the middle finger in the direction of B, then thumb gives the direction of force.
Answered by | 15th Aug, 2010, 02:58: PM
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