Electricity and Electronics Certificate

This course is targeted towards anyone who is interested in the fields of electricity, electronics or networking.

Entry Requirements:

Programme Content:

Introduction to Electricity
- What is matter, Atoms, Molecules, Electrons, Ions
- Electrostatics, Magnetism, Electric Charge, Conductors and Insulators
- Thermal, Chemical, magnetic, luminous effects of electric current.
The Electric Circuit
- Electric current flow and electron action, measurement and letter symbol for current
- Definition and measurement of Electromotive force (Voltage), Resistance, Power, Practical sources of Electric power
Simple Circuit Calculations
- Series Circuits, Parallel circuits, Combined Series and parallel circuits
- Ohm's Law, Kirchoff's Law, Thevenin's Theorem
Resistance, Capacitance, Inductance
- Identification of value and tolerance of resistors using Color Codes
- Capacitance, dielectrics, charge, types of capacitors, series and parallel capacitive circuits
- Inductance, back EMF, mutual inductance, unit of measurement of inductance, series and parallel inductive circuits
- RC and RL circuits, charging of capacitors, time constant, decay time, transient currents.
Alternating Current
- DC vs. AC, sine wave, frequency, period

Three phase and single phase connections and measurements of power, STAR and DELTA connections

Transformer
- Basic concept, step-up and step-down, practical designs, impedance, losses, turns ratio, taps
Semiconductors
- N-type, P-type doping, atomic characteristics
Semiconductor diodes
- Forward and reverse biasing, zener type
- Diode rectifiers - half wave, full wave, bridge
- Power supplies - filtering, regulation, loading
Transistors
- n-p-n and p-n-p types
- common base, common emitter, common collector circuits, amplification, switching, biasing
Thyristors
- Basic concept
Integrated circuits
- Op Amp, 555 Timer
Digital
- Binary numbering system, bits, bytes, nibbles
- Logic gates
- Digital logic