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Methods of Charging:
There are three methods of charging that are commonly discussed in a static electricity unit - charging by friction, charging by conduction (or contact), and charging by induction.
Tribelectric charging ( Charging by friction) usually involves the rubbing of two objects together.
Charging by conduction (or contact) involves the touching of a charged object to a neutral object.
Charging by induction involves bringing a charged object near to but not touching a neutral object in order to polarize the object and then charging it by momentarily connecting it to a ground.
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