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
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
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
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
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
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.
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
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
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.
What are Linear Heat Detectors?
Linear heat detectors detect only heat. They do not detect smoke. On the other hand, a fire alarm system consists of detection devices that detect