Three charges in aline --video
Three charges in a line -video
three charges in a triangle
three charge in a triangle
ELECTRIC POTENTIAL- VIDEO
How much work must be done by an external force in moving a charge q of +2micro coulomb from infinity to point A,0.4m from a charge Qof +30 microcoulomb
W=qV = q kQ/r
Problem
Two point charges +2.4micro coulombs and -2.9microcoulombs are placed at points A and B.the distance AB is 0.15m. Find a point p where the resultant electric field is zero.
problem
ELECTRIC FIELD IS GRADIENT OF POTENTIAL
https://www.youtube.com/watch?v=vmW7h5YgZL8
potential gradient is the local rate of change of the potential with respect to displacement,
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