CBSE Class 12 Physics Chapter: Electric Charges Fields CBSE Class 12 Physics Chapter 1: Electric Charge | Page 4

Charging by Contact
insulators .
Electron Movement
Free movement
None or very low
Charge transfer
Charge gets distributed over whole body once it is transferred to a conductor .
Charge stays at one place when transferred to an insulator .
Examples
Human body , Metals , water
Plastic , wood , glass o
o
Semiconductors offer resistance to movement of charges which is between conductors and non-conductors .
The process where excess charge from a body or object goes to ground , by touching the charge carrying conducting body to earth is called earthing or grounding .
Charging by Contact