Physics for IGCSE & O level - Electricity (Section 13 - No. 20)
What happens when a charged rod touches a neutral object?
The object becomes charged by induction.
The object becomes charged with the same sign as the rod.
The object remains neutral.
The object becomes charged with the opposite sign of the rod.
คำอธิบาย
When a charged rod touches a neutral object, the object gains charge.