Question

1144
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1.
Two point charges of +2uC and +6uC repel each other with
a force of 12 N. If each is given an additional charge of -
4uC, then force will become
(a) 4N (attractive) (b) 60 N(attractive)
(c) 4N (repulsive) (d) 12 N(attractive)
Three equal charges each of magnitude (q) are placed at
corners of a equilateral triangle. The force on any charge is
2​

Answer 1

Answer:

I can't understand so sorry