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29 March, 19:28

A conducting sphere with neutral charge is connected to the ground. A positively charged rod is moved near the sphere. While the rod is near the sphere, the ground is disconnected. The rod is then moved away. What is the charge on the sphere?

A) Negative

B) Positive

C) Neutral

D) Uncharged

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Answers (1)
  1. 29 March, 20:50
    0
    A negative

    when the charged rod is brought closer to the sphere negative charges get induced on the surface of the sphere by gathering some electrons from the ground and the negative charges reamain on the sphere even after disconnecting it. here the ground acts as a reservoir of electrons.
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