General Concepts 2 min read
Cathode Ray Tube – Electron Gun
The electron gun section of the cathode ray tube provides a sharply focused electron beam directed towards the fluorescent-coated screen.…
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Cathode Ray Tube – Deflection system
This Post Deflection system of CRT is a continuation of my previous post Electron Gun of CRT. This post completely covers the…
General Concepts 3 min read
Fluorescent Screen of CRT
The light produced by the screen does not disappear immediately when bombardment by electron ceases, i.e., when the signal becomes…
General Concepts 2 min read
Torque Equation for PMMC
The equation for the developed torque of the PMMC can be obtained from the basic law of electromagnetic torque. The…
General Concepts 5 min read
Piezoelectric Transducer
A piezoelectric crystal transducer/sensor is an active sensor and it does not need the help of an external power as…
General Concepts 1 min read
List of Instruments and Methods used in Level Measurements
list of all the Instruments and Methods used in Level Measurements. 1. Level measurement using gauge glass technique. 2. Float type level…
General Concepts 1 min read
Devices used to measure dimensions
This Topic contains a small list of devices used in measuring dimension. They are , 1. Steel rules 2. Vernier calipers 3. Micrometers…
General Concepts 1 min read
Instruments used to measure angular velocity
Angular velocity is measured using devices called tachometers.Tachometers are instruments that measure angular speed by registering anyone of the following…
General Concepts 2 min read
D’Arsonval Movement (Electrical Analog Meter)
The main aim of a measuring system is to present the data in an understandable manner to the user /…
General Concepts 3 min read
What is a Magnetic Tape Recorders
Before explaining about magnetic tape recorders, Let’s have a look at what a recorder is and what the uses of…
General Concepts 2 min read
Seismic – Displacement Sensing Accelerometer
Basic Principle When a spring – mass – damper system is subjected to acceleration, the mass is displaced, and this…
General Concepts 2 min read
Microprocessor based Electronic balance – A Mini Project
Microprocessor based electronic weighing machine is used for measuring and indicating weight on digital display. The item to be weighted…