What is the Vector Diagram of Transformer?
A vector diagram of transformer represents the phasor relationships between a primary and secondary voltages and currents. It is an important tool for understanding the … Read more
Optical Pyrometer- Definition, Construction, Working
Definition: The optical pyrometer functions on the principle of matching the brightness of an object to the brightness of the filament. It is a non-contact … Read more
Ceramic Capacitor- Definition, Construction, and Applications
A ceramic capacitor has ceramic material as its dielectric. These capacitors are of three types- multilayer, ceramic disc, and ceramic chip capacitors. Capacitors are tiny … Read more
What is Load Factor? Definition & Meaning, Calculations
Definition- Load factor(LF) is defined as the ratio of the average load to the maximum demand over a given period. The average power can be … Read more
Variable Resistor: Definition, Working, Formula, and Applications
A variable resistor is a type of resistor whose resistance can be adjusted according to the requirement. It permits the change in the current or … Read more
Parallel Plate Capacitor- Definition, Construction, Formula, Applications
A parallel plate capacitor has two conductive plates in parallel separated by some distance. It has a dielectric medium between the plates and stores energy … Read more
Pull Down Resistor- Working, Formula and Applications
Pull down resistor is connected between the pin of the digital device and the ground. It pulls down the voltage to a logic low level. … Read more
Ballast Resistor- Working, Types, Testing and Applications
A Ballast resistor is a type of resistor used in an electric circuit to limit the current. In electrical and electronic systems, the ballast resistor … Read more
Rate Compensated Heat Detectors
Rate compensated heat detectors initiate an alarm when the surrounding air temperature reaches at a predefined level, irrespective of the rate of temperature rise. Heat … Read more
Thermal Overload Relay- Working Principle, Types
A thermal overload relay is a safety device that triggers a circuit-breaking phenomenon by sensing a fault on the line it has been connected to. … Read more