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Object A, B and C, are three identical, ...

Object A, B and C, are three identical, insulated, spherical conductors. Originally, A and B have charges of +3 mC, whereas C has a charge of -6mC. Objects A and C are touched and moved apart, Objects B and C are touched before they moved apart.
(i) If pbjects A and B are now held near each other they will
(a) attract (b) repel (c ) have no effect on each other.
(ii) If instead object A and C held near each other, they will
(a) attract (b) repel (c ) have no effect on each other.

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