Regulated and Switching Power Supplies Articles: Regulated and Unregulated Power Supply: Almost all electronic devices used in electronic circuits need a dc source of power to operate. The source of…
Introduction to TQM Interview Questions and Answers: 1. What is TQM? Ans. It is the art of managing the whole to achieve excellence. It is defined as both the philosophy…
Difference between Static Relays and Electromagnetic Relays: The conventional electromagnetic relays are robust and quite reliable, but are required to operate under different forces under fault conditions. This leads to…
Resistance Heating - Types, Advantages and Applications: Resistance heating is based upon the I2R effect. This method of heating has wide applicaÂtions such as heat treatment of metals (annealing, hardenÂing…
Incandescent Lamp - Construction, Working and Advantages: For sometimes the arc lamps were used for general lighting purpose but as the carbon-arc lamps were complicated so these have been superseded…
What is a Photometer and Photometry? - Working Principle and Types: The candle power of a source in any given direction is measured by comparison with a standard or substandard…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 8: 306. 2-to-1 line multiplexer can be realized using (a) 1 NAND, 2 OR and 1 NOT gates. (b) 2 NAND,…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 5: 202. In resistance welding, the magnitude of current is controlled (a) by varying the primary voltage of the welding…
