Electrical Fundamentals
DC theory, circuits, capacitance, magnetism and AC fundamentals.
Cat A covers the same sub-sections as the other categories here; only the mock exam paper differs in length.
- 3.1→
Electron Theory
Level 1Structure and distribution of electrical charges within atoms, molecules, ions and compounds; the molecular structure of conductors, semiconductors and insulators.
- 3.2→
Static Electricity & Conduction
Level 1Static electricity and the distribution of electrostatic charges; the laws of attraction and repulsion; units of charge and Coulomb's law; conduction in solids, liquids, gases and a vacuum.
- 3.3→
Electrical Terminology
Level 1Potential difference, electromotive force, voltage, current, resistance, conductance, charge, conventional current flow and electron flow.
- 3.4→
Generation of Electricity
Level 1Production of electricity by light, heat, friction, pressure, chemical action and magnetism.
- 3.5→
DC Sources
Level 1Construction and chemical action of primary and secondary cells; cells in series and parallel; internal resistance and its effect on terminal voltage.
- 3.6→
DC Circuits
Level 2Ohm's law, Kirchhoff's voltage and current laws; the significance of internal resistance; series, parallel and series-parallel networks.
- 3.13→
AC Theory
Level 1Sinusoidal waveforms, period, frequency, phase and amplitude; instantaneous, average, root mean square, peak and peak-to-peak values; triangular and square waveforms.
- 3 · EXAM→
Mock Exam
Level 1Timed EASA-style Category A paper, stratified across the seven sub-sections Cat A sits, 20 questions in 25 minutes, 75% to pass.