Basic laws

• General principles
• Electron Theory
• Static Electricity
• Coulomb’s Law
• Conduction
• Electrical Terminology
• Electrical Symbols
• 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

• Switches (Types, Application)
• Relays (Principle of operation, Types, Application)
• Circuit protection devices
• Indicators and Annunciators
• Thermocouples (Principle of operation, Types,Application)

• Principles
• Types
• Ampere-Hour Capacity
• Internal resistance
• Charging
• Applications
• Handling

• 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

• Electrical measuring instruments
  • Resistance, Voltage, Current, & Power Measurement
  • Oscilloscopes
• Circuit Testing Methods
• Smoke Detection