Chapter 16: Static Electricity By Alvin Lee (14) 4S3

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Chapter 16: Static Electricity By Alvin Lee (14) 4S3 by Mind Map: Chapter 16: Static Electricity By Alvin Lee (14) 4S3

1. Laws of Electrostatics

1.1. Charges

1.1.1. Positive Charge

1.1.2. Negative Charge

1.1.3. Law of Charges

1.1.3.1. Like charges repel

1.1.3.2. Unlike charges attract

1.1.4. SI Unit

1.1.4.1. Coulomb (C)

2. Electric Field

2.1. A region in which an electric charge experiences a force

2.2. Electric Field Line

2.2.1. The path a positive charge would take if it is free to move

3. Principles of Electrostatics

3.1. Charging by rubbing

3.1.1. Charge is transferred from one object to another

3.2. Charging by Induction

3.2.1. The production of electric charge on the surface of a conductor under the influence of an electric field

3.2.2. Advantage

3.2.2.1. Can be repeated many times

3.2.2.2. Does not lose charge from the inducing specimen

3.2.3. Alternative method

3.2.3.1. Earthing process

3.2.3.1.1. Positively-charged rod is brought near to a neutral, in sulated conductor

3.3. Crazy Action of Paper

4. Hazards and Applications of Electrostatics

4.1. Electrostatic Hazards

4.1.1. Cause fires

4.2. Applications of Electrostatics

4.2.1. Photocopier

4.2.2. Laser Printer

4.2.3. Electrostatic Paint Spraying

4.2.4. Electrostatic Precipitator