Semiconductor Physics Interview Questions and Answers: 1. Why copper is a good conductor? Ans. In case of copper the electrons in the conduction band are very large. An electron in the…

Sinusoidal Oscillators Interview Questions and Answers: 1. What is an oscillator? Ans. Oscillator may be defined as a circuit which generates an ac output signal of very high frequency without requiring…

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…

Power Semiconductor Devices Interview Questions and Answers: 1. Give the broad classification of power semiconductor devices. Ans. Power semiconductor devices can be broadly classified into three categories viz. power diodes, thyristors…

Power Converters Interview Questions and Answers: 1. What is freewheeling diode? Ans. Freewheeling diode is a bypass or commutating diode. It is connected across motor terminals to allow for dissipation of…

Switching Circuits (Multivibrators) Interview Questions and Answers: 1. What is an electric switch? Ans. An electric switch is a device that can turn on or off current in an electrical circuit.…

Nonlinear Circuits Interview Questions and Answers: 1. What is a comparator and where is it used ? Ans. A comparator is essentially an op-amp operated in open-loop configuration. The output signal…