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10.5 Principle of Superposition:, , Er he principle of superposition states that, when a number of charges are interacting,, the resultant force on a particular charge is, given by the vector sum of the forces exerted by, individual charges., , Consider a number of point charges q,, q,., , Eewnen= Kept at points A,, A,, A,--> as shown, , in Fig. 10.5. The force exerted on the charge, , q, by q, is F,>. The value of Fi is calculated, 1 2 a