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Physics-

General

Easy

Question

One metallic sphere $A$ is given positive charge whereas another identical sphere $B$
of exactly same mass as of $A$ is given equal amount of negative charge. Then

Mass of $A$ and mass of $B$ still remain equal
Mass of $A$ increases
Mass of $B$ decreases
Mass of $B$ increases

The correct answer is: Mass of $B$ increases

Negative charge means excess of electrons which increases the mass of sphere $B$

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