two point charge of +2 micro-coulomb and +6 micro coulomb repel each other by 12 N if each given an additional charge of -4 micro-coulomb then force will be? (a) 4N (attractive) (b) 60 N (repulsive)
(c) 4 N (repulsive) (d) 12 N (attractive)

Dear student,

Option a is correct
Regards

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