Diode Question with Answers for Viva Interview
What is a diode? A diode is a type of electronic component that allows current to flow through it in only one direction. It is made up of semiconductor material, such as silicon, that...
Category: Electronics
Capacitor Basic Questions and Answers
What is a capacitor? A capacitor is a device that stores electrical energy in the form of electric field. It consists of two conducting surfaces or plates separated by an insulating material called a...
Resistor Color Code – Test Questions & Answers
Questions 1. What is the color code of 333kΩ,± 5% five band resistor? Orange, Orange, Red, Orange, Gold Orange, Orange, Orange, Orange, silver Orange, Orange, Orange, Red, Gold Orange, Orange, Orange, Orange, Gold...
Basic Electronics Multiple choice Question with Answers
Questions PART 1 1. An electric battery supplies AC current. True False 2. What device converts light energy to electrical energy? Dynamo Solar cell Light Polarizer Turbine 3. Which device converts electrical energy...
Why Are Printed Circuit Boards Usually Green In Color?
Commonly PCBs are made of glass fiber reinforced epoxy resin or fiberglass board which naturally has a greenish color. And the outer layer of the PCB is a solder mask that is what we...
What is an ESD Protected Area or EPA ?
An EPA (ESDPA – Electrostatic Discharge Protected Area) is an area that ensures the protection from electrostatic discharges. Electrostatic discharge (ESD) is an electrical short or dielectric breakdown; a sudden flow of electricity caused by contact between...
what is amplitude, frequency & phase shift keying modulations ?
Amplitude shift keying (ASK modulation) Amplitude shift keying is a modulation technique in digital communication. It is a form of amplitude modulation that represents the digital data in discrete amplitude levels. For a binary...
Pyroelectricity and Applications
Pyroelectricity is the property of a material to produce electrical energy when they are subjected to thermal energy change. Pyroelectric crystals are those poses the Pyroelectric effect, that is the ability of crystals to generate electricity when...