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Learning Path

Linear: Sequential Order

About the Course

Electrical and Home Appliances

Course Description:

This course introduces students to the basic principles of electrical engineering and the working of common domestic electrical appliances. It covers both theoretical concepts such as electric circuits, electrical quantities, and safety, as well as practical knowledge related to household wiring, components, and appliances. The course emphasizes understanding, usage, and maintenance of appliances typically found in domestic settings.

Course Objectives:

By the end of this course, students will be able to:

• Understand the fundamental concepts of electricity and electrical safety

• Identify and interpret key electrical terms and measurements

• Differentiate between AC and DC circuits and understand their behavior

• Gain hands-on knowledge of electrical accessories and household wiring

• Understand the operation and maintenance of common domestic electrical appliances

Module I: Introduction to Electrical Engineering (6 Lecture + 3 Practical Hours)

• Basics of electricity

• Methods of power generation

• Transmission from grid to home

• Types of electrical materials: conductors, insulators, semiconductors

• Electrical safety and precautions

• Electric shock and prevention

• First aid for electric shock

Module II: Electrical Terms and DC Circuits (6 Lecture + 3 Practical Hours)

• Definitions: current, voltage, resistance, ampere, volt, ohm

• Ohm’s law and capacitance

• Kirchhoff’s Laws

• Types of circuits: closed, open, short, leakage

• Series and parallel circuits

• Electrical energy and power: watt, kWh

• Power consumption basics

Module III: AC Circuits and Electrical Measuring Instruments (6 Lecture + 3 Practical Hours)

• Introduction to alternating current (AC)

• AC waveform, RMS and peak value, phase difference

• Power factor

• Behavior of resistive, inductive, and capacitive circuits

• Effects of electric current: magnetic and heating

• Measuring instruments: ammeter, voltmeter, ohmmeter, wattmeter, multimeter

• Introduction to tong tester and tachometer

Module IV: Electrical Accessories and Connections (6 Lecture + 3 Practical Hours)

• Common electrical accessories: switches, circuit breakers, fuses, sockets

• Earthing

• Single-phase and three-phase systems

• Star and delta connections

• House wiring basics

• Overloading and wire color coding

• Introduction to transformer, battery, inverter, and UPS

Module V: Domestic Electrical Appliances (6 Lecture + 3 Practical Hours)

• Lighting devices: incandescent bulbs, fluorescent lamps, LED, street lighting

• Appliances: electric fan, mixer, grinder, water heater, iron box, induction heater

• Voltage control: stabilizer

• Introduction to washing machine working and maintenance