Recent Scheme of Work on Basic Electricity

Syllabus for Senior Secondary




FIRST TERM
SSS 1 SSS 2 SSS 3
WEEK 1: Revision
WEEK 1: Revision
WEEK 1: Revision
WEEK 2

Theme: Basic Electron Theory

Topic: Structure of matter

Sub-Topic:
Content:
1. Definition of matter, atom electron' and electric current.
2. Conductors and, insulators
3. Uses of conductors and insulators
WEEK 2

Theme: Electricity Generation

Topic: Electricity Generation

Sub-Topic:
Content:
1. Concept of electricity generation
2. Types of generating stations :
• Hydro power
• Gas power
• Stream power Thermal.
3. Advantages and disadvantages of various generating stations
WEEK 2

Theme: Electrical Machines

Topic: Basic features and Operation of transformers

Sub-Topic:
Content:
1. Features of transformer.
2. Classification of transformers: single phase, three phase, shell type and cor type.
3. Working principles of transformers including transformation ratio.
WEEK 3

Theme: Basic Electron Theory

Topic: Ohms law

Sub-Topic:
Content:
1. OHM's law and its application"
2. Simple calculation of current voltage and resistance
3. Verification of OHM's law.
WEEK 3

Theme: Electricity Generation

Topic: Transmission of Electricity

Sub-Topic:
Content:
1. Concepts of transmission of electricity.
2. Methods or transmission of electricity.
3. Functions of the main components of transmission system.
4. Layout for transmission of electric power.
WEEK 3

Theme: Electrical Machines

Topic: Basic features and Operation of transformers (Cont.)

Sub-Topic:
Content:
1. Features of transformer.
2. Classification of transformers: single phase, three phase, shell type and cor type.
3. Working principles of transformers including transformation ratio.
WEEK 4

Theme: Basic Electron Theory

Topic: Electric power

Sub-Topic:
Content:
1. Concept of electric power
2. Relationship between power, current and voltage: P=IV
3. Other formulae for finding power
4. Calculation of electric power in given electric circuits
5. Joules per kilowatt-hour and. watt-hour
WEEK 4

Theme: Electricity Generation

Topic: Distribution of Electricity

Sub-Topic:
Content:
1. Basic concept of electricity distribution.
2. Layout and main components :
3. Functions of substation, transformers, distributors and feeders.
4. Field trip.
WEEK 4

Theme: Electrical Machines

Topic: Transformer efficiency, cooling, losses and applications

Sub-Topic:
Content:
1. Transformer efficiency.
2. Methods of cooling transformers.
3. Transformer losses.
4. Application of transformers
WEEK 5

Theme: Basic Electron Theory

Topic: Electric power (Cont.)

Sub-Topic:
Content:
1. Concept of electric power
2. Relationship between power, current and voltage: P=IV
3. Other formulae for finding power
4. Calculation of electric power in given electric circuits
5. Joules per kilowatt-hour and. watt-hour
WEEK 5

Theme: Electrical Machine

Topic: Direct Current Generator

Sub-Topic:
Content:
1. Principles of operation and main parts of d.c. generator.
2. Direction of induced e.m.f. using Fleming's right hand rule, factor that affect induced e.m.f.
3. Calculation of generated voltage and output voltage using the form wave Vg = Vg + (Ia + Ra + Xb)
WEEK 5

Theme: Electrical Machines

Topic: Transformer efficiency, cooling, losses and applications (Cont.)

Sub-Topic:
Content:
1. Transformer efficiency.
2. Methods of cooling transformers.
3. Transformer losses.
4. Application of transformers
WEEK 6

Theme: Electrical And Electronic Components

Topic: Resistors

Sub-Topic:
Content:
1. Circuit components
2. Identification of resistors
3. Electrical symbol of a resistor, fixed and variable
4. Colour coding and its uses
5. Application of resistor
WEEK 6

Theme: Electrical Machine

Topic: D.C Generator Field System

Sub-Topic:
Content:
1. Types of direct current generators.
2. Method of connection field circuit (shunt, series and compound).
3. State the uses of d.c. generator.
WEEK 6

Theme: Generation, Transmission And Distribution

Topic: Energy

Sub-Topic:
Content:
1. Understand the concept of energy.
2. Types of energy :
• Electrical
• Mechanical etc.
WEEK 7

Theme: Electrical And Electronic Components

Topic: Capacitors

Sub-Topic:
Content:
1. Types of capacitor and unit
2. Circuit symbol of capacitor, fixed and variable
3. The application of capacitor
4. Colour coding of capacitor
WEEK 7

Theme: Electrical Machine

Topic: A.C Generator

Sub-Topic:
Content:
1. Concept of the principles of A.C. generator.
2. Description of the constructional features of A.C. generator.
3. Explanation with diagram of the characteristic of A.C. generator.
4. Explanation on the application of A.C. generator.
WEEK 7

Theme: Generation, Transmission And Distribution

Topic: Energy (Cont.)

Sub-Topic:
Content:
1. Understand the concept of energy.
2. Types of energy :
• Electrical
• Mechanical etc.
WEEK 8

Theme: Electrical And Electronic Components

Topic: Capacitors (Cont.)

Sub-Topic:
Content:
1. Types of capacitor and unit
2. Circuit symbol of capacitor, fixed and variable
3. The application of capacitor
4. Colour coding of capacitor
WEEK 8

Theme: Electrical Machine

Topic: A.C Motors

Sub-Topic:
Content:
1. Description of the working principles of A.C. motor.
2. State the types of A.C. motor e.g. single phase motor (split phase capacitor start) three phase squirrel cage motor, etc
3. Description with diagram the main features of A.C motor
4. Stating the domestic and industrial application of A.C. motor e,.g. Electric Fan used in homes, drilling machines used in industries.
WEEK 8

Theme: Generation, Transmission And Distribution

Topic: Energy Conversion

Sub-Topic:
Content:
1. Concept of energy conversion.
2. Relationship between the various types of energy: Thermal, electrical, mechanical etc.
3. Process of energy conversion: hydo power plant.
WEEK 9

Theme: Electrical And Electronic Components

Topic: Inductors

Sub-Topic:
Content:
1. Identification of 'inductors
2. Use of inductors
WEEK 9

Theme: Electrical Machine

Topic: A.C Motors (Cont.)

Sub-Topic:
Content:
1. Description of the working principles of A.C. motor.
2. State the types of A.C. motor e.g. single phase motor (split phase capacitor start) three phase squirrel cage motor, etc
3. Description with diagram the main features of A.C motor
4. Stating the domestic and industrial application of A.C. motor e,.g. Electric Fan used in homes, drilling machines used in industries.
WEEK 9

Theme: Generation, Transmission And Distribution

Topic: Energy Conversion (Cont.)

Sub-Topic:
Content:
1. Concept of energy conversion.
2. Relationship between the various types of energy: Thermal, electrical, mechanical etc.
3. Process of energy conversion: hydo power plant.

WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
SECOND TERM
SSS 1 SSS 2 SSS 3
WEEK 1: Revision
WEEK 1: Revision
WEEK 1: Revision
WEEK 2

Theme: Electric Circuits

Topic: Resistance

Sub-Topic:
Content:
1. Definition of resistance
2. Connection of resistors: Series connection, Parallel connection, Series parallel connection
3. Definition of resistivity and conductivity
4. Experimental verification resistivity and conductivity
WEEK 2

Theme: Measurement

Topic: Measuring Instruments

Sub-Topic:
Content:
Electrical measuring instruments
WEEK 2

Theme: Electrical Wiring

Topic: Installation Tests

Sub-Topic:
Content:
Types of installation tests:
- polarity test; - Polarity test.
- Continuity test.
- Earth leakage test.
- Insulation resistance test.
WEEK 3

Theme: Electric Circuits

Topic: Resistance (Cont.)

Sub-Topic:
Content:
1. Definition of resistance
2. Connection of resistors: Series connection, Parallel connection, Series parallel connection
3. Definition of resistivity and conductivity
4. Experimental verification resistivity and conductivity
WEEK 3

Theme: Measurement

Topic: Instrumentation Errors

Sub-Topic:
Content:
Electrical measuring instruments errors e.g. - Random Systematic Static.
WEEK 3

Theme: Electrical Wiring

Topic: Installation Tests (Cont.)

Content:
Types of installation tests:
- polarity test; - Polarity test.
- Continuity test.
- Earth leakage test.
- Insulation resistance test.
WEEK 4

Theme: Electric Circuits

Topic: Capacitance

Sub-Topic:
Content:
1. Definition of capacitance.
2. Connection of capacitance
i. Series connection
ii. Parallel connection
iii. Series parallel connection.
3. Definition of capacitive reactance and impedance.
WEEK 4

Theme: Measurement

Topic: Instrumentation Errors (Cont.)

Sub-Topic:
Content:
Electrical measuring instruments errors e.g. - Random Systematic Static.
WEEK 4

Theme: Electrical Wiring

Topic: Installation Faults

Sub-Topic:
Content:
Fault diagnosis in a completed installation
WEEK 5

Theme: Electric Circuits

Topic: Capacitance (Cont.)

Sub-Topic:
Content:
1. Definition of capacitance.
2. Connection of capacitance
i. Series connection
ii. Parallel connection
iii. Series parallel connection.
3. Definition of capacitive reactance and impedance.
WEEK 5

Theme: Electric Circuits And Wiring

Topic: Wiring Regulations

Sub-Topic:
Content:
1. l.E.E. regulations as applied to electrical wiring.
2. Application of' I.E.E. regulations.
WEEK 5

Theme: Electrical Wiring

Topic: Earthling

Sub-Topic:
Content:
Important-of earthling. Method of earthling. Accessories for earthling.
WEEK 6

Theme: Electric Circuits

Topic: Inductance

Sub-Topic:
Content:
1. Definition of inductance
2. Connection of inductance.
i. series connection
ii. Parallel connection
iii. Series-parallel connection
3. Definition of inductive reactance and impedance.
WEEK 6

Theme: Electric Circuits And Wiring

Topic: Hand Tools and Testing Instruments

Sub-Topic:
Content:
1. Tools and testing instruments
2. Uses of tools and testing instruments.
WEEK 6

Theme: Electrical Wiring

Topic: Earthling (Cont.)

Sub-Topic:
Content:
Important-of earthling. Method of earthling. Accessories for earthling.
WEEK 7

Theme: Electric Circuits

Topic: Inductance (Cont.)

Sub-Topic:
Content:
1. Definition of inductance
2. Connection of inductance.
i. series connection
ii. Parallel connection
iii. Series-parallel connection
3. Definition of inductive reactance and impedance.
WEEK 7

Theme: Electric Circuits And Wiring

Topic: Hand Tools and Testing Instruments (Cont.)

Sub-Topic:
Content:
1. Tools and testing instruments
2. Uses of tools and testing instruments.
WEEK 7

Theme: Electrical Wiring

Topic: Protective Devices

Sub-Topic:
Content:
1. The need for protective devices.
2. Types and operation of protective device.
WEEK 8

Theme: Electric Circuits

Topic: Alternating current terminologies

Sub-Topic:
Content:
1. Terms associated with alternating current.
2. Waveforms of alternating current (voltage)
WEEK 8

Theme: Electric Circuits And Wiring

Topic: Types of Wiring

Sub-Topic:
Content:
1. Types of wiring.
2. Lighting points and switches.
WEEK 8

Theme: Electrical Wiring

Topic: Electrical Appliances

Sub-Topic:
Content:
1. Classes of electrical appliances.
2. Electrical appliances maintenance.
3. Electrical appliances fault trouble-shooting.
4. Electrical appliances repair.
WEEK 9

Theme: Electric Circuits

Topic: Kirchhoff’s laws

Sub-Topic:
Content:
1. Kirchhoff's current law
2. Kirchhoff's. Voltage Law.
WEEK 9

Theme: Electric Circuits And Wiring

Topic: Types of Wiring (Cont.)

Sub-Topic:
Content:
1. Types of wiring.
2. Lighting points and switches.
WEEK 9

Theme: Electrical Appliances

Topic: Electrical Appliances (Cont.)

Sub-Topic:
Content:
1. Classes of electrical appliances.
2. Electrical appliances maintenance.
3. Electrical appliances fault trouble-shooting.
4. Electrical appliances repair.

WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
THIRD TERM
SSS 1 SSS 2 SSS 3
WEEK 1: Revision
WEEK 1: Revision
WEEK 1: Revision
WEEK 2

Theme: Electromagnetism

Topic: Magnets

Sub-Topic:
Content:
1. Origin of magnets
2. Properties of magnets
3. Applications of magnets.
WEEK 2

Theme: Electrical Wiring

Topic: Types of Wiring Methods

Sub-Topic:
Content:
1. Types of wiring system: Surface, Conduit, Trucking, Ducting
2. Lighting points and switches.
WEEK 2

Theme:

Topic:

Sub-Topic:
Content:
WEEK 3

Theme: Electromagnetism

Topic: Magnets (Cont.)

Sub-Topic:
Content:
1. Origin of magnets
2. Properties of magnets
3. Applications of magnets.
WEEK 3

Theme: Electrical Wiring

Topic: Wiring Regulations

Sub-Topic:
Content:
1. Preparation of cable ends for connection as stipulated by the wiring regulations. (E.g. even cut of wires, stripping the insulator back).
2. Methods of terminating cables at accessories (e.g. mechanical jointing with connector black and soldered joint).
WEEK 3

Theme:

Topic:

Sub-Topic:
Content:
WEEK 4

Theme: Electromagnetism

Topic: Electro magnetism

Sub-Topic:
Content:
1. Concept of electromagnetism.
2. Faraday's Laws of electromagnetism.
3. Lenz's Law of electromagnetic induction.
4. Applications of electromagnetism.
WEEK 4

Theme: Electrical Wiring

Topic: Conduit Runs and Fitting

Sub-Topic:
Content:
1. Types of conduit, materials accessories -Metallic and nonmetallic. Classification and application.
2. Conduit fittings: Junction boxes elbow band. Male/female coupler, etc.
3. Conduit practical work
i.) Marking out (e.g. position of switches, etc).
ii.) Preparing the conduit (e.g. bending, etc.)
iii.) Termination (at boxes, in concrete, etc)
iv.) Fixing (e.g. clip, etc.)
v.) Drawing cables into conduit using fishing wire and draw wire.
WEEK 4

Theme:

Topic:

Sub-Topic:
Content:
WEEK 5

Theme: Electromagnetism

Topic: Electro magnetism (Cont.)

Sub-Topic:
Content:
1. Concept of electromagnetism.
2. Faraday's Laws of electromagnetism.
3. Lenz's Law of electromagnetic induction.
4. Applications of electromagnetism.
WEEK 5

Theme: Electrical Wiring

Topic: Conduit Runs and Fitting (Cont.)

Sub-Topic:
Content:
1. Types of conduit, materials accessories -Metallic and nonmetallic. Classification and application.
2. Conduit fittings: Junction boxes elbow band. Male/female coupler, etc.
3. Conduit practical work
i.) Marking out (e.g. position of switches, etc).
ii.) Preparing the conduit (e.g. bending, etc.)
iii.) Termination (at boxes, in concrete, etc)
iv.) Fixing (e.g. clip, etc)
v.) Drawing cables into conduit using fishing wire and draw wire.
WEEK 5

Theme:

Topic:

Sub-Topic:
Content:
WEEK 6

Theme: Electromagnetism

Topic: Transformers

Sub-Topic:
Content:
1. Classification of transformers
2. Constructional features of transformers
3. Transformer efficiency.
4. Transformer losses.
5. Application of transformers
WEEK 6

Theme: Electrical Wiring

Topic: Trucking and Ducting

Sub-Topic:
Content:
1. Types: trucking and ducting area of application.
2. Trucking and ducting fittings.
WEEK 6

Theme:

Topic:

Sub-Topic:
Content:
WEEK 7

Theme: Electromagnetism

Topic: Transformers (Cont.)

Sub-Topic:
Content:
1. Classification of transformers
2. Constructional features of transformers
3. Transformer efficiency.
4. Transformer losses.
5. Application of transformers
WEEK 7

Theme: Electrical Wiring

Topic: Power Sockets Outlets

Sub-Topic:
Content:
Layout diagram of Radial circuit, Ring circuit, Final sub circuit and spur with detail explanations of where to be used.
WEEK 7

Theme:

Topic:

Sub-Topic:
Content:
WEEK 8

Theme: Power Supply

Topic: Converters

Sub-Topic:
Content:
1. Power supplies converters and inverters.
2. Types of converters
WEEK 8

Theme: Electrical Wiring

Topic: Maintenance and Repair of various Electrical Appliances

Sub-Topic:
Content:
1. General preventive maintenance of electrical appliances
2. Faults and remedies of:
- fluorescent lamps
- Electric iron
- Electric kettle
- Fruit blender
- Toaster
- Rechargeable lamps
- Inverters, etc.
WEEK 8

Theme:

Topic:

Sub-Topic:
Content:
WEEK 9

Theme: Power Supply

Topic: Rectification of filtration

Sub-Topic:
Content:
1. AC to DC Rectification and filtration
2. Types of rectifier circuits.
3. Verify by experiments the rectification process.
WEEK 9

Theme: Electrical Wiring

Topic: Maintenance and Repair of various Electrical Appliances (Cont.)

Sub-Topic:
Content:
1. General preventive maintenance of electrical appliances
2. Faults and remedies of:
- fluorescent lamps
- Electric iron
- Electric kettle
- Fruit blender
- Toaster
- Rechargeable lamps
- Inverters, etc.
WEEK 9

Theme:

Topic:

Sub-Topic:
Content:

WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION





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