Static Electricity

1. Principles of electrostatics

1.1. Two types of charging

1.1.1. by Rubbing

1.1.1.1. New node

1.1.1.2. New node

1.1.2. by Induction

2. Laws of electrostatics

2.1. SI unit- coulomb/C

2.2. types

2.2.1. Positive

2.2.1.1. eg. glass, perspex

2.2.2. Negative

2.2.2.1. eg. amber, rubber, polythene

2.3. law

2.3.1. like charges repel, unlike charges attract

2.3.1.1. New node

3. Electric field