# Magnetism and electricity: State, analyse and apply principles of static electricity (electrostatics)

### Subject outcome

Subject outcome 4.1: State, analyse and apply principles of static electricity (electrostatics)

### Learning outcomes

- Define Coulomb’s law and apply the law to calculate the force between charges.
- Identify and draw the electric field around:
- single charges
- a pair of charges
- a Faraday cage.

- Calculate electric field strength around a charge and between parallel plates.
- Define and apply electric potential energy and electric potential.
- Define capacitance and apply the principle to the parallel plate capacitor.
- Identify and apply the relation between charge, potential difference, and capacitance.
- Describe, identify, and apply the capacitor as a circuit device.

### Unit 1 outcomes

By the end of this unit you will be able to:

- Define Coulomb’s law.
- Apply Coulomb’s law to calculate the force between charges.

### Unit 2 outcomes

By the end of this unit you will be able to:

- Identify and draw the electric field around:
- single charges
- a pair of charges
- a Faraday cage.

- Calculate electric field strength:
- around a charge
- between parallel plates.

### Unit 3 outcomes

By the end of this unit you will be able to:

- Define and apply electric potential energy and electric potential.
- Define capacitance.
- Apply the principle of capacitance to the parallel plate capacitor.
- Identify and apply the relation between charge, potential difference, and capacitance.
- Describe, identify, and apply the capacitor as a circuit device.