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.

Subsection | Free Trial Membership Questions | Premium Membership Questions |
---|---|---|

03.01 - Electron TheoryStructure and distribution of electrical charges within: atoms, molecules, ions, compounds;
Molecular structure of conductors, semiconductors and insulators. | 333003 | 5151510051 |

03.02 - Static Electricity and ConductionStatic electricity and distribution of electrostatic charges;
Electrostatic laws of attraction and repulsion;
Units of charge, Coulomb’s Law;
Conduction of electricity in solids, liquids, gases and a vacuum. | 464006 | 92390023 |

03.03 - Electrical TerminologyThe following terms, their units and factors affecting them: potential difference, electromotive force, voltage, current, resistance, conductance, charge, conventional current flow, electron flow. | 242004 | 4065400065 |

03.04 - Generation of ElectricityProduction of electricity by the following methods: light, heat, friction, pressure, chemical action, magnetism and motion. | 333003 | 1717170017 |

03.05 - DC Sources of ElectricityConstruction and basic chemical action of: primary cells, secondary cells, lead acid cells, nickel cadmium cells, other alkaline cells;
Cells connected in series and parallel;
Internal resistance and its effect on a battery;
Construction, materials and operation of thermocouples;
Operation of photo-cells. | 588008 | 2375750075 |

03.06 - DC CircuitsOhms Law, Kirchoff’s Voltage and Current Laws;
Calculations using the above laws to find resistance, voltage and current;
Significance of the internal resistance of a supply. | 01150011 | 076330076 |

03.07a - Resistance/ResistorResistance and affecting factors;
Specific resistance;
Resistor colour code, values and tolerances, preferred values, wattage ratings;
Resistors in series and parallel;
Calculation of total resistance using series, parallel and series parallel combinations;
Operation and use of potentiometers and rheostats;
Operation of Wheatstone Bridge; | 073007 | 058290058 |

03.07b - Resistance/ResistorPositive and negative temperature coefficient conductance;
Fixed resistors, stability, tolerance and limitations, methods of construction;
Variable resistors, thermistors, voltage dependent resistors;
Construction of potentiometers and rheostats;
Construction of Wheatstone Bridge. | 0 | 03000030 |

03.08 - PowerPower, work and energy (kinetic and potential);
Dissipation of power by a resistor;
Power formula;
Calculations involving power, work and energy. | 030003 | 02850028 |

03.09 - Capacitance/capacitorOperation and function of a capacitor;
Factors affecting capacitance area of plates, distance between plates, number of plates, dielectric and dielectric constant, working voltage, voltage rating;
Capacitor types, construction and function;
Capacitor colour coding;
Calculations of capacitance and voltage in series and parallel circuits;
Exponential charge and discharge of a capacitor, time constants;
Testing of capacitors.
| 052005 | 178351178 |

03.10a - MagnetismTheory of magnetism;
Properties of a magnet;
Action of a magnet suspended in the Earth’s magnetic field;
Magnetisation and demagnetisation;
Magnetic shielding;
Various types of magnetic material;
Electromagnets construction and principles of operation;
Hand clasp rules to determine: magnetic field around current carrying conductor; | 053005 | 035260035 |

03.10b - MagnetismMagnetomotive force, field strength, magnetic flux density, permeability, hysteresis loop, retentivity, coercive force reluctance, saturation point, eddy currents;
Precautions for care and storage of magnets. | 031003 | 042190042 |

03.11 - Inductance/inductorFaraday’s Law;
Action of inducing a voltage in a conductor moving in a magnetic field;
Induction principles;
Effects of the following on the magnitude of an induced voltage: magnetic field strength, rate of change of flux, number of conductor turns;
Mutual induction;
The effect the rate of change of primary current and mutual inductance has on induced voltage;
Factors affecting mutual inductance: number of turns in coil, physical size of coil, permeability of coil, position of coils with respect to each other;
Lenz’s Law and polarity determining rules;
Back emf, self induction;
Saturation point;
Principle uses of inductors. | 062006 | 031180031 |

03.12 - DC Motor/Generator TheoryBasic motor and generator theory;
Construction and purpose of components in DC generator;
Operation of, and factors affecting output and direction of current flow in DC generators;
Operation of, and factors affecting output power, torque, speed and direction of rotation of DC motors;
Series wound, shunt wound and compound motors;
Starter Generator construction. | 01030010 | 01524900152 |

03.13 - AC TheorySinusoidal waveform: phase, period, frequency, cycle;
Instantaneous, average, root mean square, peak, peak to peak current values and calculations of these values, in relation to voltage, current and power;
Triangular/Square waves;
Single/3 phase principles. | 363006 | 2368230068 |

03.14 - Resistive (R), Capacitive (C) and Inductive (L) CircuitsPhase relationship of voltage and current in L, C and R circuits, parallel, series and series parallel;
Power dissipation in L, C and R circuits;
Impedance, phase angle, power factor and current calculations;
True power, apparent power and reactive power calculations. | 01030010 | 068290068 |

03.15 - TransformersTransformer construction principles and operation;
Transformer losses and methods for overcoming them;
Transformer action under load and no-load conditions;
Power transfer, efficiency, polarity markings;
Calculation of line and phase voltages and currents;
Calculation of power in a three phase system;
Primary and Secondary current, voltage, turns ratio, power, efficiency;
Auto transformers. | 052005 | 076320076 |

03.16 - FiltersOperation, application and uses of the following filters: low pass, high pass, band pass, band stop. | 020002 | 01600016 |

03.17 - AC GeneratorsRotation of loop in a magnetic field and waveform produced;
Operation and construction of revolving armature and revolving field type AC generators;
Single phase, two phase and three phase alternators;
Three phase star and delta connections advantages and uses;
Permanent Magnet Generators. | 072007 | 099390099 |

03.18 - AC MotorsConstruction, principles of operation and characteristics of: AC synchronous and induction motors both single and polyphase;
Methods of speed control and direction of rotation;
Methods of producing a rotating field: capacitor, inductor, shaded or split pole. | 062006 | 048290048 |

03.19 - Import 427 2018-12-05 08:8:34These 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. | 0 | 222222 |

03.20 - Import 433 2018-12-10 07:7:52These 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. | 0 | 111111 |

Total Questions: | 110 | 1139 |