WAEC Syllabus for Radio, Television And Electronics Works. WAEC Syllabus for Radio, Television And Electronics Works is available for all candidates who want to participate in the examination. The West African examination council (WAEC) has officially introduced a syllabus that will guide all the WAEC candidates who wish to write the WAEC examination this year. For a very successful WAEC Radio, Television And Electronics Works examination for this year, you need to check out the available areas of concentration. It has been divided into sections with chapters, followed by the topics to be covered in preparation for the exams. In the WAEC Syllabus for Radio, Television And Electronics Works, you will also see the format of how the WAEC Radio, Television And Electronics Works questions will be presented. Jamb form
There are 3 sections to answer questions from. Paper 1 is Objective and paper 2 contains essay questions and paper 3 is practical. Where paper one (1) carries 45 minutes for 40 marks; paper two (2) carries 1 hour for 60 marks and paper three (3) 2 hours and carry 90 marks.
This WAEC syllabus is for both the O’level WAEC and General Certificate Examination (GCE) candidates. Final year students in the senior secondary school level and external candidates are eligible to make use of this syllabus and prepare ahead of the examination. WAEC Syllabus for Radio, Television And Electronics Works
See the full detailed information concerning the WAEC Radio, Television And Electronics Works Syllabus below.
This examination syllabus evolved from the Senior Secondary School curriculum for Trade Subjects. It is intended to give candidates insight into the world of Radio, Television and Electronics Works; improve their attitude towards the maintenance and repairs of radio, television and electronic equipment and enable them to appreciate the relationship between science and technology.
The objective of the syllabus is to test the candidates’ knowledge and understanding of the following:
- Workshop Safety Rules and Regulations;
- Basic Electricity;
- Electronic Tools and Instruments;
- Electronic Devices and Circuits;
- Electronic Communication Systems;
- Workshop Practice and Maintenance;
- Entrepreneurship in Radio, Television and Electronics Works.
There will be three papers, Papers 1, 2 and 3, all of which must be taken. Papers 1 and 2 shall be a composite paper to be taken at one sitting.
PAPER 1: will consist of forty multiple-choice objective questions, all of which are to be answered in 45 minutes for 40 marks.
PAPER 2: will consist of six short-structured questions. Candidates will be required to answer any four in 1 hour for 60 marks.
PAPER 3: will be a practical test of 2 hour duration. It will consist of three skill-based questions out of which candidates will answer two for 90 marks.
A list of materials for the test shall be made available to schools not less than two weeks before the paper is taken for materials procurement and relevant preparations.
Alternative to Practical Work:
Alternatively, in the event that materials for the actual practical test cannot be acquired the Council may consider testing theoretically, candidates’ level of acquisition of the practical skills prescribed in the syllabus. For this alternative test, there will be two compulsory questions to be answered in 2 hours for 100 marks.
This should be done by the candidates during the long vacation between their SS II and SS III course. It will be supervised and assessed by their subject teachers. It will carry 10 marks.
1. Workshop Safety Rules and Regulations
1.1 Sources and Prevention of Hazards
1.2 Safety Checks in Servicing Radio Receiver
1.3 Safety Precautions in Television Workshop
2. Basic Electricity
2.1 Structure of matter
2.2 Conductors, insulators and semiconductors
2.3 Current, voltage and resistance
2.4 Electronic components
2.5 Resistors and Capacitors
2.6 Kirchhoff’s Current and Voltage Laws
2.7 Diodes and Transistors
2.9 Ohm’s law
2.10 Electric power
2.11 Direct and Alternating Current
2.12 Alternating waveform
3. Electronic Tools and Instruments
3.1 Electronic hand tools
3.2 Electronic measuring instruments
3.3 Fault Finding Equipment
4. Electronics Devices and Circuits
4.1 Meaning of Electronics and Electronic circuit
4.2 Concept of emission and photoelectric devices
4.3 Semiconductors devices
4.4 Power Supply Unit
4.6 Resistive, Inductive, Capacitive (RLC) circuits
4.8 Oscillators and Multivibrators
5. Electronic Communication Systems
5.1 Electronic Communication Systems
5.2 Electromagnetic spectrum
5.4 Modulation and demodulation
5.5 Radio transmitter and receiver
5.6 Selectivity and sensitivity
5.7 Resonant circuit
5.8 Satellite Communication Systems
5.9 Television Transmitter
5.10 Image and Sound Reproduction in TV receiver
5.11 Monochrome Television Receiver
5.12 Principles of operation of Colour Television
5.13 Principle of Colour Signal, Transmission and
6. Workshop Practice and Maintenance
6.1 Soldering and Desoldering in Electronic
6.2 Electronic Repairs
6.3 Fault finding and repairs in radio receiver
6.4 Electronic Measuring Instruments
6.5 Diagnosis and Repair of Black and White TV
6.6 Diagnose and Repair of a Colour Television
7. Entrepreneurship in Radio, Television and
7.1 Business Management and Finance
7.2 Customer Relations
7.3 Business Opportunities in Radio, TV and
Concept of safety
Sources of hazards
Treatments should include electric shock, damp or wet floor, wrong handling of tools, improper workshop dressing, horse play in the workshop
Preparation of work areas
Working on power lines and live circuits
Handling of tools
Power supplies in T.V.
High voltage section
Definition and structure of matter
Qualitative treatment only – definition and uses
Definition, units and symbols of voltage, current and resistance
Laws of attraction and repulsion of charges
Identification of components by name, type, graphical symbol, value and rating
Treatments should include resistors, capacitors, inductors, diodes, transformers, transistors, integrated circuit etc
Graphical symbols, types, values and ratings
Colour code of resistors and capacitors
Comparison between meter measured and colour code values
Testing of capacitors
Concepts, definitions and calculations
Types, graphical symbols and structure
Treatments should include testing for diodes and transistor configuration (CC,CE and CB)
Graphical symbol of a battery( primary cell and secondary cell) and types
Testing of battery
Treatments should include difference between wet and dry cells
Symbols and relationship between voltage, current and resistance.
Resistors in series and parallel
Definition, measurement and calculation
Definitions, difference, uses and measurement of d.c. and a.c.
Definition and calculation
Treatments should include r.m.s., peak, and average values, frequency and period in an a.c. waveform
Types and uses
Treatments should include screw drivers, diagonal cutters, soldering gun, soldering iron, lead sucker or de- soldering tools, pocket knife, stripper and soldering wick
Identification, uses and operation
Treatments should include voltmeter, ammeter, ohmmeter, multi meter
Basic a.c. and d.c. circuit, measurements of voltage, current and resistance
Ohmmeter for testing semiconductor devices
Identification of faulty meter
Identification, uses and operation
Treatments should include oscilloscope, signal tracer, digital frequency counter, logic probe, TV analyzer
Definition and application
Treatments should include types of emission e.g. Thermionic, photoelectric, field and secondary
Semiconductor theory and types
Treatment should include rectification, principles of operation, characteristics and application
Principle and operation, schematic diagram
Rectification and types
Construction of stabilized low d.c. power supply unit
Operation, construction and uses of Class A, B, C and AB amplifiers
Quantitative treatments only
Concept of feedback
Differences between types and their advantages
Effect of a positive feedback on amplifiers, bandwidth, noise, gain and distortion
Principle and types of oscillator
Construction of a typical oscillator circuit
Types of multivibrator
Treatments to include astable, bistable and monostable
Definition and types
Block diagram, operation and function of each stage
Definition and classification
Propagation of radio waves
Radio frequency band- VLF, LF, MF, HF, VHF,
UHF,SHF and EHF
Application of frequency range in electronic communication – frequency spectrum to be intensified
Definition, types and functions
Treatments should include loudspeaker, microphone, video camera, video display unit(cathode ray tube(CRT),Liquid Crystal Display(LCD))
Definition, principle of operation and types of modulation
AM and FM waveforms and envelopes
Percentage of modulation – modulation index and modulation factor
Meaning and function of carrier wave in radio communication.
Definition and types of demodulation
Function(s) and operation
Block diagram and function of each stage
Types of radio receivers – Tuned Radio Receiver(TRF), super heterodyne receivers(FM and AM)
Advantages and disadvantages of each
Concept and function of tuner in radio receiver
Identification of tuner stage in radio receiver
Definition, types of resonance ( series and parallel)
Concept of bandwidth and bandwidth ranges
Calculation involving frequency ranges to determine bandwidth
Treatments should include derivation of the formula for resonant frequency
Elements and types
Transmission and reception
Principle of scanning
Principle of FM detection
Concept of Television
Function and operation
Application of television system
Block diagram and function of each stage
Processing of picture and sound signal
Primary colours in television
Colour television systems and standards – PAL, SECAM and NTSC
Colour signal components
Techniques and precautions
Types of solder
Types of flux – amber resin and NaCl solutions
Dismantling and reassembling of power supply unit
in a radio set
Dismantling and reassembling RF, IF detector
Stages in a radio receiver set
AF amplifier circuit
Installation and maintenance of a car radio set
Diagnose fault by using fault finding pieces of
equipment and logical trouble shooting procedure
Components responsible for faults
Remedies for the faults
Alignment of RF and IF stages of a radio set using
the necessary equipment and tools
Use of multimeter
Treatments should include measurement of the
correct value of current, voltage and resistance
in active and passive electronic components and
Procedure for TV repairs
Use of service information manual and circuit
Identification of symptoms and repair of faults
Fault clearing instruments
Symptoms of faults
Fault clearing at each stage
Static and dynamic colour convergence comparison
Colour bar generator and signal testing
Cost benefit analysis
Business records(Accounting ledger,
Repair order form, Inventory sheet)
Sources of capital e.g. Banks and Credit Unions
Daily appearance at work
Business Opportunities in Radio and TV Work
Radio and TV consultant
Radio and TV technician
Sales and Service Craft man
Antenna and TV installation work
LIST OF FACILITIES AND MAJOR EQUIPMENT/MATERIALS REQUIRED
- Screw drivers
- Diagonal cutters
- Soldering gun,iron and lead
- Desoldering tools
- Pocket knife
- Semiconductor diodes
- Digital and analog multimeters
- Loudspeaker, microphone
- Cathode Ray Tube/LCD
- Nose pliers
- Old electronics panel
- Resistors, capacitors, inductors, transistors
- Vero board/breadboard
- C. power supplies
- Radio and television sets
- Signal generator
- Magnifying glass
- Pattern generator (TV)
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