Folded Dipole Antenna
Folded Dipole Antenna A folded dipole antenna is a modified λ/2 dipole with an additional wire connecting its two ends. The folded dipole antenna is an extremely practical wire antenna…
Induction Motor | Operation, Types, Application
Induction Motor Induction machines are also called asynchronous machines i.e., the machines which never run at a synchronous speed. Whenever we say induction machine we mean to say induction motor.…
DC Motor – Definition, Working Principle, Types
DC Motor A machine that converts mechanical power into d.c. electrical power is called a d.c generator. The same machine when used to convert d.c. electrical power into mechanical power…
Digital Multimeter
Digital Multimeter A digital multimeter (DMM) displays the quantity measured as a number, it eliminates parallax errors. Definition A multimeter is an electronic instrument that can measure resistance, currents, and…
Dispersion in Optical Fibers
Dispersion in Optical Fibers Dispersion in Optical Fibers : Dispersion, also known as pulse spreading, means spreading out of an optical pulse of light energy in time as it propagates…
Facsimile (Fax) Machine
Facsimile Fax (short for facsimile, from Latin fac simile, “make similar”, i.e. “make a copy”) is a telecommunications technology used to transfer copies (facsimiles) of documents, especially using affordable devices…
PLC vs Relay Logic Controller
PLC vs Relay Logic Controller: In this post, we are going to discuss the differences between PLC vs Relay Logic Controller. Before the differences of PLC vs Relay Logic Controller,…
Zener Vs Avalanche Breakdown
Zener Vs Avalanche Breakdown Break Down Mechanisms Zener Vs Avalanche Breakdown: When an ordinary P-N junction diode is reverse biased, normally only very small reverse saturation current flows. This current…
Potentiometer | working, application
Potentiometer A potentiometer is a variable resistor that is used to convert a linear or angular displacement into voltage. Since the resistance varies according to the linear/angular displacement of sliding/wiper…
Block Diagram Reduction Technique
Block Diagram Reduction Technique Block Diagram Reduction Technique: A block diagram is a diagrammatic representation of the cause-and-effect relationship between the input and output of a physical system represented by…