BJT Transistor Articles: Transistor Construction: The transistor construction consists of a silicon or germanium (preferably silicon because of its smaller cutoff current ICBO, smaller variations in ICBO due to variations…
Nature of Electric Supply: The nature of electric supply available may be 3-phase ac, single-phase ac or dc. In case three-phase ac supply is available, polyphase induction motor, squirrel cage…
Difference between Converter Fed and Chopper Fed DC Drives: Difference between Converter Fed and Chopper Fed DC Drives - For speed control of a dc motor it is necessary that…
Power Supply for Electrolytic Process: Power Supply for Electrolytic Process is direct current and at very low voltage. The power required for electrodeposition is usually very small (between 100 and…
Different Groups of Systems of Electric Traction: As already mentioned, systems of electric traction may be divided into two main groups. (1) The group consisting of vehicles which receive electric…
Thyristorised Control of DC Electric Traction Motor: The modern trend is towards the use of dc motors (both separately excited and dc series motors) equipped with thyristor chopper control. The…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 6: 241. The voltage follower is commonly used as (a) Switch. (b) Isolator. (c) Regulator. (d) None of these. Answer :…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 5: 198. Which one of the following devices can be turned 'ON' or 'OFF' by applying gate signal ? (a) SCR.…