derive the formula v=kQ/r
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he electric potential (V) produced by a point charge with a charge of magnitude Q, at a point a distance r away from the point charge, is given by the equation: V = kQ/r, where k is a constant with a value of 8.99 x 109 N m2/.
electric potential is a scalar, so when there are multiple point charges present, the net electric potential at any point is the sum of the electric potentials due to the individual charges.
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