What is a Varactor Diode? Symbol, Working, Characteristics, Applications
The varactor diode is a type of diode whose internal capacitance depends on the reverse voltage. The junction capacitance varies with variation in the reverse
What is a Manual Call Point (MCP)?
A Manual Call Point is a device used for the manual initiation of an alarm. Manual Call Points are commonly known as MCP. The activation
What is a NOT Gate? Logic Symbol and Truth Table
The NOT gate is also known as the inverter gate. It inverts the input logic. If the input of the NOT gate is 1, then
What is a Printed Circuit Board(PCB) Motor? Its Construction, Working
PCB motor is a type of electric motor that consists of a rotor made up of using a printed circuit board. It is also referred
What is a Metadyne? Construction, Working, and Applications
Metadyne is a special electrical machine that consists of a motor-generator set. A metadyne is typically a cross-field DC machine that consists of an extra
What is Magnetization current in Transformer?
A transformer draws a certain amount of magnetization current from the source when its secondary winding is not connected to the load. This current at
Exclusive-OR Gate with EX-OR Gate Truth Table
The EX-OR gate also known as the Exclusive-OR gate is widely used in digital circuits. The XOR gate outputs high when its inputs are at different logic
Optical Modulation: Definition, Methods, and Advantages
Optical modulation is a process of modifying light waves according to high-frequency electrical signals that contain information. The transmission of the modified light wave is
Optical Isolator- Definition, Components, Types, Working & Applications
An optical isolator is a passive magneto-optic device that allows light transmission in one direction only. This article describes optical isolation, its definition, components, types,
Physical Properties of Engineering Materials
The knowledge of physical properties of materials is a must for the selection of materials for a particular application. There are different materials that are