Question

how is coloumb force between two charges affected by the presence of a third charges​

Answer 1

Answer:

The Coulomb Force between the charges does not change.

Explanation:

Its by definition of the Coulomb Force.

We know if there are two charges $q_{1} ,q_{2}$ , Then the Coulomb Force between them is given by the relation :

$F = \frac{ k q_{1} q_{1} }{r^{2} }$

Hence, it is not affected by any third charge. The vector sum of all the forces i. e. the net force on a particular charge is affected by the presence of third one. This is an important concept known as 'The Superimposition principle'

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