Physics JAMB

A positive charged rod X is brought near as uncharged metal sphere Y and is then touched by a finger with X still in place. When the finger is removed; the result is that y has

A. no charge and a zero potential
B. a positive charge and zero potential
C. a negative charge and positive potential
D. a negative charge and a negative potential

Correct Answer:

Option D – a negative charge and a negative potential

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