# Chpt 16 Static Electricty Daniel Tan 4Science3

Get Started. It's Free
Chpt 16 Static Electricty Daniel Tan 4Science3

## 1. Charges

### 1.1. SI Units

1.1.1. Coulumbs(C)

### 1.2. Types

1.2.1. Positive+

1.2.1.1. Glass (Rubbed with Silk)

1.2.1.2. Perspex(Rubbed with Wool)

1.2.2. Negative-

1.2.2.1. Amber(Rubbed with Fur)

1.2.2.2. Rubber(Rubbed with Fur)

1.2.2.3. Polythene(Rubbed with Wool)

### 1.3. Law of Charges

1.3.1. Like Charges Repel

1.3.2. Unlike Charges Attract

## 2. Charging

### 2.1. Rubbing

2.1.1. Transfer of Charges, Due to the Movement of Electrons

### 2.2. Induction

2.2.1. Production of Electric charge on the surface of a conductor under the influence of a electric field

## 3. Electric Field

### 3.2. Point Charges

3.2.1. Positive+

3.2.1.1. Electric Field lines drawn away from the charge

3.2.2. Negative-

3.2.2.1. Electric Field lines drawn towards the charge

### 3.3. Drawing Combined Electric Fields

3.3.1. Step1:

3.3.1.1. Lines MUST begin from + Charges and end on - Charges

3.3.2. Step2:

3.3.2.1. No. of lines drawn from the + charges to - charges is proportional to the magnitude of the charge

3.3.3. Step3:

3.3.3.1. No 2 Fields can Cross each other