Would you please answer the following question? And explain the reason? Thank yo

Question

Would you please answer the following question? And explain the reason? Thank you.

131. Two hollow, uncharged conducting spheres hang by threads from the ceiling, as shown above. The spheres have the same mass but are different sizes. A charge +0 is deposited on the larger sphere. The spheres are then momentarily brought into contact and separated, after which they move away from each other. Which of the following statements about the final state of the spheres and strings must be true? Select two answers. (A) The spheres have charges of opposite sign. (B) The sum of the charges on the spheres is +0. O The tension in each string is larger than it was initially (D) The force exerted by the ceiling on each string is directed vertically upward.

Explanation / Answer

B) the sum of charges on both spheres will be equal to +Q. As charge can neither be created nor be destroyed

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