Two small objects are suspended from threads. when the objects are moved close together, they attract one another. what of the following could produce this result? a. on object is positively charged and the other is negatively charged. b. one object is positively charged and the other conductor is uncharged. c. one object is negatively charged and the other conductor is uncharged. d. all of the above could result in an attraction.

d

Explanation:

All the given situations are possible because

(a)When particles are oppositely charged then they attract each other

(b)One is Positively charged and other is uncharged: Charged particle will induce charges of opposite nature to attract the other particle

(c)Negatively charged particles will induce the positive charge in the uncharged particle to attract the initially uncharged particle.

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