BJT Transistor Articles: Transistor Construction: The transistor construction consists of a silicon or germanium (preferably silicon because of its smaller cutoff current ICBO, smaller variations in ICBO due to variations…
Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics: Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration…
Statistical Digital Signal Processing Interview Questions and Answers: 1. What is an ergodic process? Ans. A stationary random process {Xn} is said to be ergodic, with probability 1, if all…
Finite Impulse Response Filters Interview Questions and Answers: 1. What are the different types of filters based on impulse response? Ans. Based on impulse response the filters are of two…
Infinite Impulse Response Filters Interview Questions and Answers: 1. Give any two properties of Butterworth lowpass filters Ans. The magnitude response of the Butterworth filter decreases monotonically as the frequency…
Mho Type Distance Relay - Working and Characteristics: Mho relay is a high speed relay and is also known as admittance relay. It is also sometimes called an angle impedance…
Electromagnetic Induction Relay - Structure and Working Principle: Electromagnetic induction relay operate on the principle of induction motor and are widely used for protective relaying purposes involving a.c. quantities. They…
Instrument Transformers - Definition, Types and Errors: AC type protective relays are actuated by current and voltage supplied by current and potential (or voltage) transformers, known as instrument transformers. The…