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- Resistors – colour code, types and characteristics. Active and passive components. Atomic structure and semiconductor theory.
- P-N junction, classification, specifications, biasing and characteristics of diodes. Rectifier circuit - half wave, full wave, bridge rectifiers and filters. Principle of operation, types, characteristics and various configuration of transistor. Application of transistor as a switch, voltage regulator and amplifier.
- Basic concept of power electronics devices.
- Scope of the electrician trade. Safety rules and safety signs. Types and working of fire extinguishers.
- First aid safety practice. Hazard identification and prevention. Personal safety and factory safety. Response to emergencies e.g. power failure, system failure and fire etc.
- Concept of Standards and advantages of BIS/ISI. Trade tools specifications. Introduction to National Electrical Code-2011.
- Allied trades: Introduction to fitting tools, safety precautions.
