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

Grounding:
Grounding is the process by which we connect our electrical instruments to the earth.
Both will experience a charge when the rod and sphere are in contact with each other but as it's grounded the overall charge acting on both drops down to zero.
Hence, grounding the circuit will result in zero charges.

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