Module 03 · free practice
EASA Part-66 Module 3: Electrical Fundamentals
DC theory, circuits, capacitance, magnetism and AC fundamentals.
Everything on this page is free and needs no account. Play the simulations, answer the sample questions, then open the full module for notes, mind maps and the complete question bank.
Interactive simulations
Manipulate the theory yourself — drag the controls and watch it respond.
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Unlock the full Module 3
Get every sub-section's notes and mind maps, the complete question bank, and a timed mock exam at the official EASA length. Create a free account to track your progress as you go.