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The basic CBT module BM-02 covers the essential concepts in electrical technology. The topics covered in this CBT are listed below. The CBT comprises of 195 pages of courseware that include text, audio, and graphics.
  1. Basic Electrical Theory
    • General principles
    • Electron Theory
    • Static Electricity
    • Coulomb’s Law
    • Conduction
    • Electrical Terminology
    • Electrical Symbols

      • Basic laws

    • Ohm’s law
    • Units (Resistance, Current, Voltage, Power)
    • Kirchoff’s Voltage and Current Laws
    • Simple d.c. circuit calculations
    • Resistance (series, parallel, and combination)
    • Power Dissipation in resistive circuits
    • Resistor Color Codes
    • Potentiometer & Rheostats
    • Capacitors
      • Dielectric properties
      • Capacitive effect
      • Factors affecting capacitance
      • Capacitor Types
      • Total Capacitance
    • Inductors
      • Faraday’s Law
      • Induction Principles
      • Lenz’s law
    • Insulator Properties
  2. Electrical Components
    • Switches (Types, Application)
    • Relays (Principle of operation, Types, Application)
    • Circuit protection devices
    • Indicators and Annunciators
    • Thermocouples (Principle of operation, Types,Application)
  3. Batteries
    • Principles
    • Types
    • Ampere-Hour Capacity
    • Internal resistance
    • Charging
    • Applications
    • Handling
  4. Alternating Current Theory
    • Waveforms
      • Types (Sinusoidal, Multiphase, Square, Triangular)
      • Cycle, Phase, Period, Frequency
      • Instantaneous, Average, Peak, and RMS Values
    • Capacitive Reactance
    • Inductive Reactance
    • Electrical Impedance
    • Resistive/Inductive/Capacitive circuits
      • Simple R-C Circuits
      • Simple R-L Circuits
      • Simple R-L-C Circuits
      • Series/parallel connections
    • Transformers
      • Principle of operation
      • Single phase Transformer
      • 3-phase Transformer
      • Autotransformers
    • Filters
      • Low Pass
      • High Pass
      • Applications
    • A.C. Motors
      • Principle of operation & Construction
      • Induction
      • Synchronous
  5. Measuring Instruments
    • Electrical measuring instruments
      • Resistance, Voltage, Current, & Power Measurement
      • Oscilloscopes
    • Circuit Testing Methods
    • Smoke Detection