Logic Gates viva interview Questions and Answers
• What is a logic gate? A logic gate is a basic building block of a digital circuit that has two inputs and one output. The output of a logic gate is determined based...
Category: Electronics
What is Miller Effect in Transistors?
The Miller effect refers to the increase in the equivalent input capacitance of an amplifier due to the amplification of the effect of capacitance between the input and output stages of the amplifier. This...
Transistor viva Questions and Answers
• What is a transistor? A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for...
LDR vs Photodiode vs Phototransistor comparison
In electronic projects or different electronic devices, light detection and light-to-electricity conversion comes critical importance for various functions and applications. Here we are comparing three commonly used light sensor components – Light Dependent Resistors...
Digital Amplifiers Viva Interview Questions with Answers
What is a digital amplifier? A digital amplifier, also known as a switching amplifier, is a type of amplifier where the amplifying devices (transistors, usually MOSFETs) operate as electronic switches, and not as linear...
How zener diode is different from PN junction diode?
Normal PN junction diodes are used to allow the flow of current in one direction (forward biased – current flows from anode to cathode) and to block the reverse flow of current (reverse biased...
What is an All-Dielectric Self-Supporting (ADSS) Cable?
All-dielectric self-supporting (ADSS) cable is a type of fiber optic cable designed for aerial installation in telecommunication networks. Unlike traditional cables that require additional support structures like messenger wires or metallic elements for physical...
Transistors or MOSFETs, Which one to choose?
In the vast realm of electronic components, selecting the appropriate device is crucial for ensuring optimal performance and efficiency. When it comes to choosing between transistors and Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs), several factors need...
Resistor circuit – Questions and Answers
Resistor circuit Q&A – Part A Q: What is a resistor? A: A resistor is an electronic component that limits the flow of electric current in a circuit. It is designed to have a...
What is thermal runaway in transistor?
Thermal runaway is a phenomenon that can occur in transistors when the temperature of the transistor increases due to excess heat generated by the device. This increase in temperature can cause the transistor to...