EASA Part-66 Exam Practice Questions

Module 04 - Electronic Fundamentals

Click a Module to view a breakdown (by subsection) of the number of questions currently stored in the club66pro.com database for free trial and premium membership levels.

Note: Some Subsections may show zero questions. This is in accordance with the EASA Part-66 Syllabus. Please select a higher Licence Category (B1 or B2) to view all questions.

SubsectionFree Trial Membership QuestionsPremium Membership Questions
04.1.1a - Semiconductors - DiodesDiode symbols; Diode characteristics and properties; Diodes in series and parallel; Main characteristics and use of silicon controlled rectifiers (thyristors), light emitting diode, photo conductive diode, varistor, rectifier diodes; Functional testing of diodes.1212400128080260080
04.1.1b - Semiconductors - DiodesMaterials, electron configuration, electrical properties; P and N type materials: effects of impurities on conduction, majority and minority characters; PN junction in a semiconductor, development of a potential across a PN junction in unbiased, forward biased and reverse biased conditions; Diode parameters: peak inverse voltage, maximum forward current, temperature, frequency, leakage current, power dissipation; Operation and function of diodes in the following circuits: clippers, clampers, full and half wave rectifiers, bridge rectifiers, voltage doublers and triplers; Detailed operation and characteristics of the following devices: silicon controlled rectifier (thyristor), light emitting diode, Schottky diode, photo conductive diode, varactor diode, varistor, rectifier diodes, Zener diode.04000407900079
04.1.2a - Semiconductors - TransistorsTransistor symbols; Component description and orientation; Transistor characteristics and properties.4840082333230033
04.1.2b - Semiconductors - TransistorsConstruction and operation of PNP and NPN transistors; Base, collector and emitter configurations; Testing of transistors; Basic appreciation of other transistor types and their uses; Application of transistors: classes of amplifier (A, B, C); Simple circuits including: bias, decoupling, feedback and stabilisation; Multistage circuit principles: cascades, push-pull, oscillators, multivibrators, flip-flop circuits.09000907700077
04.1.3a - Integrated CircuitsDescription and operation of logic circuits and linear circuits/operational amplifiers;404004270270027
04.1.3b - Integrated CircuitsDescription and operation of logic circuits and linear circuits; Introduction to operation and function of an operational amplifier used as: integrator, differentiator, voltage follower, comparator; Operation and amplifier stages connecting methods: resistive capacitive, inductive (transformer), inductive resistive (IR), direct; Advantages and disadvantages of positive and negative feedback.0100001007800078
04.2 - Printed Circuit BoardsDescription and use of printed circuit boards.380008142000020
04.3a - ServomechanismsUnderstanding of the following terms: Open and closed loop systems, feedback, follow up, analogue transducers; Principles of operation and use of the following synchro system components/features: resolvers, differential, control and torque, transformers, inductance and capacitance transmitters;6000061180000118
04.3b - ServomechanismsUnderstanding of the following terms: Open and closed loop, follow up, servomechanism, analogue, transducer, null, damping, feedback, deadband; Construction operation and use of the following synchro system components: resolvers, differential, control and torque, E and I transformers, inductance transmitters, capacitance transmitters, synchronous transmitters; Servomechanism defects, reversal of synchro leads, hunting.010000100202000202
04.4 - Import 424 2018-12-04 12:12:22These are newly added questions. They are currently being researched by our subject specialists. Some questions may be incomplete and/or not yet be answered. Shortly they will be completed/answered and moved to their respective sub-sections.0444444
Total Questions:71718