Alternating current circuits
Define the terms:
– capacitive reactance
– inductive reactance
– Impedance
Explain RL and RC
Explain RLC circuit.
Calculate inductive and capacitive reactance (XL and XC).
Explain series and parallel resonance
Calculate series and parallel resonance.
Semiconductor diodes
Explain the concept of diodes
Differentiate between the types of diodes.
State the operational principles of Semiconductor diodes
State the rating of diode
State the applications of the different types of diodes.
Construct simple circuits using semiconductor diodes.
Semiconductor
Explain the concept of semiconductor
List different types of semiconductor materials.
Explain how doping of semiconductor is achieved.
Explain the process of formation of p – type and n-type semiconductor.
Explain the forward and reverse biasing of semiconductors.
Electron emission
Distinguish among the four different types of electron emission.
State the application of the four types of electron emission
Electromagnetism
Explain the terms:
– electric field
– electromagnet
-electromagnetism
– inductance
State the applications of electromagnetism, (e. g. electric bell, relays, transformer, etc)
Describe the principle of operation of a transformer.
Magnet and magnetic field
Define the following terms:
– magnetism
– magnetic poles
– magnetic field
– magnetic materials
Differentiate between permanent and temporary magnets
Demonstrate the law of attraction and repulsion of a magnet
State the applications of magnetism (e.g. Zip drive disk, floppy disk, magnetic tape).
Electric circuits
Explain the meaning of electric circuit.
Identify types of circuit boards.
Explain different circuit arrangements
Calculate resistance in:
i. Series
ii. Parallel, and
iii. Series-parallel.
Circuit components
State the different types of resistors, capacitors and inductors.
State the symbols, signs and units of the components mentioned in (1) above.
Identify different colour coding and rating of resistors and capacitors.
Electric Power
Define electrical power.
State the unit and instrument for measuring electrical power.
Explain the relationship between power, current and voltage.
Derive other formulae for power in a given circuit.
Calculate power in a given circuit.
Relationships between current, voltage and resistant
Explain the following quantities: voltage, current and resistance.
State the units, symbols and instruments for measuring the quantities mentioned in (1) above.
State Ohm’s Law.
Perform a simple experiment to determine Ohm’s Law.
Calculate current, voltage and resistance in a given circuit.
Electric current
Explain the structure of atom.
Define conductors and insulators
State uses of conductors and insulators.
Distinguish between direct and alternating current.
Explain the sources of direct and alternating current.
drawing practice
Define, identify and construct various triangles
Construct inscribed and circumscribed circles to given triangles
Students should be able to define, identify and construct regular and irregular polygons
Safety In The Workshop
Safety In The Workshop
Communication System
At the end of this lesson, the students should be able to understand Communication System
Entrepreneurship In Electronics
At the end of this lesson, the students should be able to understand Entrepreneurship In Electronics
Technology of Different Ages and Data Processing
Technology of Different Ages and Data Processing
Computer Aided Drawing and Training Services
Producing computer-aided drawing services
Offering computer-aided drawing training services
Drawing Equipments and Materials Merchandising
Ordering, supplying and merchandising of drawing studio materials and equipment.
Blue Print Reproduction Services
Source for funds
Set up and manage blue print reproduction service centre.
Blue Print Reading
Reading and interpret building drawings
Reading and interpret engineering drawings