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Charges and Neutral Metal Spheres

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Imagine that you have two identical neutral metal spheres on insulating stands and a charged rubber rod. Using diagrams, carefully describe a step-by-step process that uses the rod to give the two spheres exactly opposite charges (all without touching either sphere with the rod). Take care to construct your procedure so that it ensures that the charges on each sphere will be exactly equal in magnitude, not just approximately equal.

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Solution Summary

The charges and neutral metal spheres are examined.

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See attached file.

Step 1: Bring charged rod (+q) close to one of the sphere. The sphere's negative charge will be attracted towards the rod and positive charge on the other side.

Step 2: Connect the sphere to the earth on ...

Solution provided by:
  • BEng, Allahabad University, India
  • MSc , Pune University, India
  • PhD (IP), Pune University, India
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