Network Equilibrium Equation in Matrix Form: In earlier section we have studied how to obtain equilibrium equations for a network which are based on loop analysis and node analysis. We can represent the same Network…
Refraction of Waves: As with light, Refraction of Waves takes place when electromagnetic waves pass from one propagating medium to a medium having a different density. This situation causes the wavefront to acquire a new…
Optoelectronics Devices Interview Questions and Answers: 1.What are photonic devices? Ans. Photonic devices are those in which the basic particle of light (the photone) plays an important role. Photodetectors, solar cells and LASERS etc, are photonic…
Classification of Hydraulic Turbines: The important classification of hydraulic turbines are: 1. According to the type of energy Impulse turbine, and Reaction turbine If the energy available at the inlet of the turbine is only…
Parallel Current Negative Feedback Circuit: Current Feedback Circuit - In series-voltage feedback, a portion of the output voltage is fed back in series with the signal source. In Parallel Current Negative Feedback Circuit, a portion…
Magnetic Amplifier - Working Principle and Applications: In a magnetic amplifier, the basic component is a steel-cored coil with an additional winding energized by direct current. It is intended for controlling alternating current of relatively…
Effect of temperature on PN diode characteristics: Temperature on PN diode characteristics is very important consideration in the analysis or design of electronic devices or systems. It affects virtually all of the characteristics of a…
Transient Response of RL Circuit: Considers a Transient Response of RL Circuit consisting of a resistance and inductance as shown in Fig. 12.1. The inductor in the circuit is initially uncharged and is in series…
CE Circuit with Unbypassed Emitter Resistor: h-parameter Equivalent Circuit - When an CE Circuit with Unbypassed Emitter Resistor (RE) as shown in Fig. 6-25(a), it is also present in the ac equivalent circuit, [Fig. 6-25(b)].…
Difference Between Desert Cooler and Window Type Air Conditioner: The difference between desert cooler and window type air conditioner are discussed below Particulars Desert Cooler Window Type Air Conditioner Initial Cost Low Quite high Main…