11. Electrostatics
• Study of Electrical charges
• Where can we find electrical charges?
• How is it produced?
• Produced when 2 insulators rubbed against
each other
• +ve and –ve
12. When the materials are rubbed
against each other
Positively charged Negatively charged
Polythene Wool
Wool Cellulose acetate
Ebonite Animal fur
Silk Glass
Amber Animal fur
Why??