Charging a metal sphere by contact using a positively charged rod, followed by grounding can result in ________ charge in a metal sphere.

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Solution

Explanation:
The charge on the rod is shared by the rod and the sphere once they come in contact with one another.
However, when the charge is grounded, it can flow to the earth and the charge on the sphere becomes zero.
As a result, charging a metal sphere by making contact with a positively charged rod and then grounding it can result in a zero charge in the metal sphere.

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