“Maximum power transfer theorem states that the maximum power can be transferred from source (voltage source, current source) to the load only when the load resistance (RL) is equal to the internal resistance of the source (Ri)”. i.e, \[{{R}_{L}}={{R}_{i}}\]
The eddy current tachometer converts the angular speed (ω) of the rotor into pointer deflection ϕ. The diagram of the eddy current type tachometer is shown in figure 1. The eddy current tachometer is also referred as drag-up tachometer.
What is Eddy Current Tachometer? Working Principle, Diagram, Construction & Applications Read More »
The phototransistor is an optoelectronic device that generates or detects the signals from light incident on it. The symbol of phototransistor is shown in figure (1).
What is Phototransistor? Working, Circuit Diagram, Construction, Symbol & Applications Read More »
Charge Coupled Device (CCD) is a simple shift register used to store and transfer analog signals and electrically or optically injected charge carriers. Construction of Charge Coupled Device Figure 2: Charge Coupled Device Structure. The structure of a three-phase charge-coupled device is as shown in figure (1). The basic structure of CCD comprises of
A solar cell or photovoltaic cell is a semiconductor PN junction device with no direct supply across the junction. It transforms the light or photon energy incident on it into electrical power and delivers to the load. Figure 1: Solar Cell Symbol.
The light-emitting diode (LED) is a light-sensitive diode that emits light when it is forward-biased. Figure (1) shows the symbol of LED. Working Principle of Light Emitting Diode (LED) When a free electron from the higher energy level gets recombined with the holes, emits light or photon energy. Here, in case of LEDs, the supply