Question

Find the electrostatic force b/w the charges -6microC and +2microC placed at a distance of 30cm..

Answer 1

Explanation:

Electrostatic force,

F = k q1 q2/ r^2

F = 9*10^9 * 2*10^-6 * -6*10^-6

30*10^-2 * 30*10^-2. ==> -1.2 N

(-ve) indicates force of attraction.

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