Transistors Questions & Answers
What is a transistor and types of transistors? Transistor is a semiconductor device capable of transferring the signal from high resistance to low resistance or vice versa. Transistor has three…
Semiconductors Diodes Questions & Answers
What is a PN junction diode? The name PN junction diode stands for a junction termed as PN junction formed by injecting into one side of intrinsic semiconductor crystal acceptor…
Amplifiers Questions & Answers
What is the effect of negative feedback on voltage gain, BW, Noise, nonlinear distortion, Ri, Ro of a voltage amplifier? The voltage gain, bandwidth, noise, nonlinear distortion, input resistance, output…
Optical Pyrometer Working Principle
The  technique which supports the measurement of temperature of the objects without touching them is called as pyrometric measurement .This is a non contact type measurement which is being used…
Float Type Level Indicator Principle
Buoyancy Tape Systems: Level Indicators classified based on buoyancy are There are two main types of buoyancy tape systems available: Float and tape systems Wire guided float detectors Float and…
Sight Glass Level Measurement Principle
Use of a sight glass is probably the simplest method of measuring liquid level. The sight glass is attached to the outside of the tank so that the liquid level…
Advantages and Disadvantages of Network Topologies
A network topologies refers to the way in which nodes in a network are connected to one another. The network structure defines how they communicate.
Different Types of Network Topologies
A network topology describes the configuration of a communication network and the physical and logical arrangement of the nodes that form it. Here is a description of the different types…
History of OPC Protocol
OPC – History OPC (OLE for Process Control) is an industry standard created with the collaboration of a number a leading worldwide automation and hardware software suppliers working in cooperation…
Diaphragm Pressure Sensors
The Diaphragm Pressure Gauge uses the elastic deformation of a diaphragm (i.e. membrane) instead of a liquid level to measure the difference between an unknown pressure and a reference pressure.…
