Physics Chapter 16 Static Electricity

1. Electrostatics

1.1. Charging

1.1.1. Electrical Conductors

1.1.1.1. Induction

1.1.1.1.1. Process of charging a conductor without any contact with the charging body.

1.1.2. Electrical Insulators

1.1.2.1. Friction

2. Hazards

2.1. Lightning

2.1.1. Thunderclouds are charged by friction between the water molecules in the thunderstorm, and the air molecules

2.2. Electrostatic Discharge

3. Charges

3.1. Positive & Negative

3.1.1. Like charges repel

3.1.2. Unlike charges attract

4. Measurement

4.1. Electric Charge

4.1.1. Coulombs (C)

5. Neutralizing Charges

5.1. Discharging a charged insulator

5.1.1. Heat

5.1.2. Humidity

5.2. Discharging a charged conductor

5.2.1. Earthing it (Grounding)

6. Electric Field

6.1. An electric field is a region where an electric charge experiences an electric foce.

6.2. The Direction of the field is defined as the direction of the force on a small positive charge

6.3. The strength of an electric field is indicated by how close the field lines are to each other

7. Practical Appliccations

7.1. Laser Printer

7.2. Electrostatic precipator

7.3. Spray Painting

7.4. Crop spraying?

7.5. High-Voltage Generators