Concept Notes 1. Introduction to Logic Gates Digital systems work on binary signals (0 and 1). Logic gates are the basic building blocks of digital circuits. The three basic...
Concept Notes 1. Introduction to SCR SCR behaves like a controlled switch: 2. Modes of Operation 3. V–I Characteristics of SCR 4. Applications of SCR ⚙️ Formulas 🔟 10...
1. Introduction to Electric Traction Electric traction refers to the use of electric power for locomotion of trains, trams, and metros. Performance of a traction system is studied using...
Concept Notes 1. Thermal Power Stations A thermal power station converts heat energy of fuel (mainly coal, oil, or gas) into electrical energy. Main Process: Block Diagram Flow:Fuel →...
Concept Notes 1. Introduction An alternator is a synchronous generator that converts mechanical energy into AC electrical energy using the principle of electromagnetic induction.It is the heart of power...
Concept Notes 🔹 What is a Transformer? A transformer is a static electrical machine which transfers AC power from one circuit to another without change in frequency but with...
Concept Notes 1. AC Voltage & Current In alternating current (AC), voltage and current vary sinusoidally with time: Where: 2. R, L, C Elements in AC (a) Resistor (R)...
Concept Notes 1. Construction of a DC Generator A DC generator converts mechanical energy into DC electrical energy. The main parts are: Working Principle: 2. EMF Equation of a...
Concept Notes 1. Ohm’s Law Ohm’s Law states that the current flowing through a conductor between two points is directly proportional to the potential difference across the two points,...