Electron Emission Interview Questions and Answers: 1. What is Fermi level? Ans. The maximum energy that an electron in a metal has at the absolute zero temperature is called the Fermi level of energy and is…
Electron Tubes Interview Questions and Answers: 1. What is an electron tube? Ans. An electron tube is an electronic device in which conduction of electrons takes place in an evacuated or gas-filled enclosure. 2. What are…
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 conduction band experiences almost negligible…
PN Junction Diode Interview Questions and Answers: 1. What is a P-N junction? Ans. The contact surface between the layers of P-type and N-type semiconductor pieces placed together so as to form a P-N junction is…
Zener Diode Interview Questions and Answers: 1. What is a zener diode? Ans. Zener diode, also sometimes known as breakdown diode, is like an ordinary P-N junction diode except that it is properly doped so as…
Rectifiers Interview Questions and Answers: 1. What is a dc power supply? Ans. The part of the equipment that converts ac into dc is called the dc power supply. 2. What is meant by rectifier? Ans. A…
Bipolar Junction Transistors (BJTs) Interview Questions and Answers: 1. Explain why BJT is a polar device. Ans. Since both of the charge carriers (electrons and well as holes) are involved in current flow through a BJT…
Transistor Biasing and Stabilization Interview Questions and Answers: 1. Explain the term biasing. Ans. The proper flow of zero signal collector current and the maintenance of proper collector-emitter voltage during the passage of signal is called…
Field Effect Transistors (FETs) Interview Questions and Answers: 1. What is the major difference between a bipolar and a unipolar device ? Ans. In a bipolar device, current conduction is by both majority carriers and minority…
Single Stage Transistor Amplifiers Interview Questions and Answers: 1. What is an amplifier? Ans. The device that amplifies the amplitude of the input signal is called the amplifier. An amplifier may be defined as a device…