What happens when a negatively charged object A is brought near a neutral object B? A. Object B gets a negative charge.
B. Object B gets a positive charge.
OC. Object B stays neutral but becomes polarized.
OD. Object A gets a positive charge.
OE. Object A loses all its charge.

there are no correct statementd on the list of choices you provided.

a displacement distance is size of displ

current and voltage can both be different in different parts of a circuit so it matters where you place the ammeter and voltmete

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.