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A positive charged rod X is brought near as unc... - JAMB Physics 2003 Question

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 option: d
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