Charging by occurs when electrons are transferred from one object to another by direct contact.

Answer;

Charging by conduction

Explanation;

There are various method of charging an object; they include;

Charging by conduction occurs when electrons are transferred from one object to another by direct contact.Charging by friction occurs when electrons are transferred from one uncharged object to another by rubbing the objects together.Charging by induction, is when electrons can react to the electric field fo a charged object without touching the object itself.Charging by polarization is when electrons react to electric field, resulting in individual atoms having charge ends that are attracted to charged objects.