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WAEC Syllabus for Basic Electronics/ Electronics

WAEC Syllabus for Basic Electronics/ Electronics. WAEC Syllabus for Basic Electronics/ Electronics 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 Basic Electronics/ Electronics 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 Basic Electronics/ Electronics, you will also see the format of how the WAEC Basic Electronics/ Electronics questions will be presented. Jamb form 

There are always 3 sections to answer questions from. Paper 1 is Objective questions, paper 2 is essay questions and paper 3 is practical test. Where paper one (1) carries 50 1 hour for 50 marks, paper two (2) carries 1 hour for 50 marks, while paper three (3) carries 100 marks for 3hours. Dollar to Naira Rate


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WAEC Syllabus for Basic Electronics/ Electronics

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.  Jamb Result

See the full detailed information concerning the WAEC Basic Electronics/ Electronics Syllabus below.

Read Also: WAEC Syllabus for English Language

PREAMBLE

The syllabus is intended to equip candidates with broad understanding of the technology of manufacturing, maintenance and repair of domestic and industrial equipment. It will also offer candidates sufficient knowledge and skills to form valuable foundation for electronics-related vocation or pursue further educational qualifications. WAEC Syllabus for Basic Electronics/ Electronics

Candidates will be expected to cover all the topics.

OBJECTIVES

The objective of the syllabus is to test candidates’

  • knowledge and understanding of the basic concepts and principles of electronics;
  • ability to use simple electronic devices to build and test simple electronic systems;
  • problem-solving skills through the use of the design process;
  • preparedness for further work in electronics;
  • knowledge in entrepreneurial skills and work ethics. Npower Recruitment

SCHEME OF EXAMINATION

There will be three papers, Papers 1, 2 and 3, all of which must be taken. Papers 1 and 2 shall be composite paper to be taken at one sitting.

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PAPER 1:   will consist of fifty multiple-choice objective questions all of which are to be answered in 1 hour for 50 marks.

PAPER 2:    will consist of seven short-structured questions. Candidates will be required to answer any five in 1 hour for 50 marks.

PAPER 3:     will be a practical paper of two experiments both of which are to be carried out by candidates in 3 hours for 100 marks.Waec Result

Alternative to Practical Test

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 within 2 hours for 100 marks.

DETAILED SYLLABUS


Read Also: WAEC Syllabus for Commerce

CONTENTS

 

NOTES
1.      ELECTRON EMISSION

Types of electron emission

Application of electron emission

 

2.      MEASURING INSTRUMENTS

Concepts of measuring instrument

Principles of operation and protection of measuring instruments

 

3.      SEMICONDUCTOR

Concepts of semiconductor

Semiconductor materials (silicon, germanium etc.)

Doping

Formation of p-type and n-type semiconductors.

 

SEMICONDUCTOR DIODES

Concept of diodes

 

Biasing of diodes

 

TRANSISTORS

Concepts of transistor

 

OTHER SEMICONDUCTOR                     DEVICES

Thermistor, diac, triac and thyristor, etc

 

INTEGRATED CIRCUITS            

4.      CIRCUIT ANALYSIS

 

ELECTRIC CURRENT

Structure of atom

Conductors and insulators

Direct and alternating current

Sources of direct current

Sources of alternating current

 

RELATIONSHIP BETWEEN VOLTAGE, CURRENT AND RESISTANCE

Current, voltage and resistance.

Ohm’s law

Simple calculation of current, voltage and resistance.

 

ELECTRIC POWER

Concept of electric power

Relationship between power, current and voltage.

Other formulae for finding electrical power

Calculation of electric power in a given circuit

 

CIRCUIT COMPONENTS

Types of resistors, capacitors and inductors

Symbols, signs and unit of measurement

Colour coding and rating of resistors and capacitors

 

ELECTRIC CIRCUIT

Electric circuit

Circuit boards

Circuit arrangement: series, parallel, series-parallel

Calculation on circuit arrangement

ALTERNATING CURRENT             CIRCUITS

R-L-C circuits

Generator principles

 

POWER IN A.C. CIRCUITS

 

5.      AMPLIFIERS

 

VOLTAGE AMPLIFIERS

 

POWER AMPLIFIERS

 

PUSH-PULL AMPLIFIERS

OPERATIONAL AMPLIFIERS

 

6.      POWER SUPPLY

 

D.C. POWER SUPPLY UNIT

 

RECTIFICATION

 

7.      OSCILLATORS, MULTIVIBRATORS AND DIGITAL BASICS

 

OSCILLATORS


MULTIVIBRATORS

(Non-sinusoidal)

Principles of operation and applications

 

DIGITAL BASICS

Number system

Logic gates(Combinational)

8.      COMMUNICATION SYSTEMS, TRANSDUCERS AND SENSORS

Electromagnetic waves.

characteristics of radio waves

Principles of radio waves

Stages of radio receiver

Fault detection in radio receiver

Transmitters and receivers

 

Methods of Communication

 

Transducers and Sensors

Acoustic transducer

 

9.      CONTROL SYSTEM

 

SERVO MECHANISM

 

10.  MAGNETIC AND ELECTRIC FIELDS, ELECTROMAGNETIC INDUCTION/TRANSFORMERS

Electromagnetic field

 

Electromagnetic induction

 

Self and mutual induction

 

 

Qualitative treatment should include :

Thermionic emission; photoemission; secondary emission and field emission.

Relate it to diode, triode, tetrode, pentode, and cathode ray tube.

 

 

Qualitative treatment only which should include:

Classification – analogue and digital

Types and uses of multimeter, voltmeter, ammeter, ohmmeter, oscilloscope etc.

 

 

Qualitative treatment only.

 

 

 

 

 

 

 

Treatment  should include operational principles of diodes

 

Type of diodes

Diode ratings – voltage, current and power

Application of diodes

Construction of a simple circuit using a

P-N junction diode

Practical demonstration of I-V characteristics of P-N junction diode in the forward and reverse bias modes.

 

 

Meaning of transistor, biasing of transistor, Uses and advantages.

BJT characteristics

Advantages of transistor over valves

Advantages of MOSFET over BJT

 

 

Formation, function and principles of

Operation.

Transistor as a switch, inverter, an amplifier

Verification of BJT characteristics.

Input, output and transfer characteristics

Transfer configuration

Qualitative treatment only

– formation, functions and principles of operation

Advantages over discrete components

 

Circuit symbols

Principles of operation

Applications.

 

Application of integrated circuits

Explanation of RAM, ROM and EPROM

Qualitative treatment only

Uses of conductors and insulators

Differences between direct and alternating current

 

Construction of simple circuit to demonstrate Ohm’s law

Qualitative and quantitative treatments

 

Practical determination of the value of a fixed colour code resistor

 

Carry out practical wiring of different circuit arrangement

 

Qualitative and quantitative treatments should include

–          Concepts of capacitive reactance,

inductive reactance and impedance

–          RL and RC circuits

–          Calculations of capacitive reactance (XC) and inductive reactance (XL)

–          Resonance frequency

Principles of operation of an a.c. generator

 

Qualitative and quantitative treatments of

–          Power and power triangle

–          Power factor and  its correction

–          Advantages and disadvantages of power factor correction

–          Calculation of power factor

–          Q-factor and bandwidth

 

 

 

Biasing methods. Treatment of the transistor as single stage.

Common-emitter amplifier.

Frequency response of an amplifier

Advantages and disadvantages of negative feedback

 

 

 

Classification: Class A, Class B, Class AB,

 

Class C, application, power gain, methods of

biasing and efficiency.

Classification of power gain.

 

Qualitative treatment including matched and complementary pairs.

 

Properties of an ideal operational amplifier

Inverting and non-inverting operational amplifiers(op-amps)

Types of operational amplifiers

Applications of op-amps

Simple calculations involving inverting, non-inverting, summing amplifiers and voltage follower

 

 

 

Dry cells, solar cells, cadium cells, accumulators

Batteries: Rechargeable and non-rechargeable

 

Qualitative treatment should include:

–          Rectification, regulation

–          Types of voltage regulator e.g. diac, triac, thyristor, series voltage regulator, transistorized electronic voltage regulator

Functions of each block

 

 

 

 

Difference between positive feedback(oscillator) and negative feedback (amplifier)

Principles of an oscillator

Types of oscillators: Hartley, Colpitts, phase shift, tuned (load and crystal) oscillators

Advantages of negative feedback

Calculations involving negative feedbacks

Block diagram of an oscillator

Application of oscillator

 

 

Types of multivibrators

(monostable, bistable and astable)

 

 

Different number system e.g. binary, octal and hexadecimal

Simple calculation in binary number

Conversion from one base to another and vice-versa

Addition and subtraction of binary numbers

 

Qualitative treatments of AND, OR, NOT, NOR and NAND

Logic gates using switching arrangements, truth table and Boolean expression

 

 

 

Relationship between velocity frequency and wave length

Meaning of radio communication

Modulation and demodulation

Advantages of F.M. over A.M.

Phase modulation (mention only)

 

Types of radio receivers

Advantages of superheterodyne over direct input receiver

Use faulty radio and detect and repair fault

Project work on construction and designing of a simple radio receiver

 

Block diagrams of A.M. and F.M. transmitters

Block diagrams of A.M. and F.M. superheterodyne radio receivers

Block diagrams of mono and colour T.V.chrome receivers

Functions of each block and direction of signal flow

Qualitative treatment of T.V. standard (NTSC,PAL,SECAM,BIG)

 

Fibre optics, microwave, satellite, cellular phone, digital communication network, etc.

 

Meaning of transducers and sensors

Principles of operation

Types and uses to include: Acoustic, dynamic electrostatic, electromagnetic, capacitive, pressure sensor, photoelectric, proximity sensor etc.

Thermistor as a temperature sensing device

 

Qualitative treatments only

Types of acoustic transducers e.g. loudspeaker, microphone, earphone

Principles of operation and function

Application of acoustic transducers

 

Qualitative treatment only

–          Types of control circuits(open and close loop)

–          Principle of operation of open  loop and close loop

 

Qualitative treatment only

–          Meaning

–          Principle of operation, types, uses and application e.g. in car, doors, booths etc.

Trace magnetic lines of force current-carrying conductor

Lenz’s and Faraday’s laws.

 

Definitions only

Calculations involving energy stored in a coil

Applications of electromagnetism

Electric bell, solenoid, loudspeaker, buzzer, moving-coil instrument, moving-iron instrument, earphone and microphone

 

 

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