Concept Notes 1. Resonance in AC Circuits Resonance occurs in an AC circuit when the inductive reactance (XL) and capacitive reactance (XC) are equal in magnitude but opposite in...
Concept Notes 1. What is Modulation? 2. Phase Modulation (PM) Definition Carrier signal: PM signal: Where, 3. Phase Deviation Where = peak amplitude of message signal. 4. Bandwidth of...
In ECET 2026 CSE, Java OOPs concepts like method overriding and dynamic method dispatch are frequently asked. These topics test understanding of polymorphism and runtime behavior of objects. 📘...
Concept Notes 1. DC Motor Basics A DC motor converts electrical energy into mechanical energy using the principle: When a current-carrying conductor is placed in a magnetic field, it...
In ECET 2026 CSE, Operating System questions on Virtual Memory and Page Replacement are very common. If you understand these concepts and practice a few problems, you can score...
Concept Notes 1. Star (Y) & Delta (Δ) Connections In 3-phase systems, loads can be connected either in Star or Delta. Star (Y) Connection Formulas: Delta (Δ) Connection Formulas:...
Concept Notes 1. What is Biasing? 2. Need for Biasing 3. Types of Biasing Techniques (A) Fixed Bias (Base Resistor Bias) Formula: Example:If : (B) Collector-to-Base Bias (Feedback Bias)...
In ECET 2026, Mathematics questions linked with Physics applications (motion, velocity, acceleration, force, etc.) are very scoring. Derivatives act as a bridge between Maths and Physics. 📘 Concept Notes...
In ECET 2026 CSE, Big Data questions are not just about Hadoop but also about real-time applications. Knowing where Big Data is applied gives students confidence and helps in...
Concept Notes 1. What is an Antenna? 2. Basic Principle 3. Important Parameters of Antennas Gain (G): where = efficiency, = directivity. Directivity (D): Efficiency (η): Effective Aperture (Ae):...