EASA Module 3 study plan

Describe atomic structure and explain how electron movement between shells creates net charge

Classify conductors, semiconductors and insulators by their electron behaviour and give an aircraft example of each

Apply Q = It and energy relations to calculate charge, current and energy in simple circuits

Explain charging by friction, contact and induction, and state the bonding, handling and static-discharge precautions applied to aircraft components and fuel systems

Define voltage, current, resistance, power and energy, and state the correct SI unit and symbol for each

Convert between SI multiples and submultiples (pico to mega) without error

List the six methods of generating electricity and match each to a specific aircraft application

Explain qualitatively how relative motion between a conductor and a magnetic field produces an EMF, and state the factors that increase it

Differentiate primary and secondary cells and compare lead-acid, nickel-cadmium and lithium chemistries on cell voltage, capacity and maintenance burden

Describe aircraft battery construction, constant-current and constant-voltage charging, and the associated handling hazards

Apply Ohm's law and Kirchhoff's current and voltage laws to series, parallel and series-parallel networks

Reduce networks to a single equivalent resistance and apply the voltage and current divider rules

Calculate resistance from resistivity, length and cross-sectional area, and describe the effect of temperature coefficient

Decode the resistor colour code, read preferred values and identify resistor types and power ratings

Calculate power dissipation and select a resistor rating with an adequate safety margin

Explain capacitor construction, dielectric behaviour, series and parallel combinations, and charge/discharge behaviour with the time constant

Define magnetic flux, flux density, permeability, magnetomotive force, reluctance and hysteresis and state their units

Apply Fleming's left- and right-hand rules to determine force, field and current directions

Explain electromagnetic induction, Lenz's law, self and mutual inductance and the origin of back EMF

Calculate inductance of series and parallel combinations and the energy stored in an inductor

Describe the construction and operating principle of DC motors and DC generators, including commutation and armature reaction

Distinguish series, shunt and compound machines and state characteristic applications of each

Calculate generated EMF and relate torque, speed, flux and armature current for a DC machine

Interpret speed/torque and load/voltage characteristic curves and revisit the induction content of Domains 9-10

Calculate frequency, period, peak, RMS and average values for a sinusoidal waveform and state phase relationships

Analyse resistive, capacitive and inductive AC circuits and compute reactance, impedance, phase angle and power factor

Describe transformer construction, calculate turns, voltage and current ratios, and identify core and copper losses

Describe low-pass, high-pass and band-pass filters, AC generator construction, and synchronous and induction motor operation

Review and rework every item missed in the Milestone mock exams and weekly tests

Consolidate all formulae and definitions onto a single revision sheet covering all twelve domains

Sit two full-length timed mock exams under exam conditions

Re-test the weakest three domains identified in the error log