The students who want to refer MY SIMPLE NOTES on electronics may please contact me on my email address dsvidyasagar@hotmail.com. The .pdf copies of the chapter-wise notes are available FREE OF CHARGE particularly for XI and XII standard Electronics and Computer Science also. Please remember that these notes are only for private circulation and should [...]
If you observe the constructional details of a speaker you will see that it contains one coil suspended between two permanent magnets. The terminals of the coil are connected to high power audio output of an amplifier, so that current flows through this coil and an alternating magnetic field is produced around it.
At temperatures above absolute zero, some electrons are excited out over the band gap into the conduction band. When the electron in pure silicon crosses the gap, it creates a vacancy, known as a hole, in the regular silicon lattice. A hole means actually nothing. But since it can accept an electron to get occupied into it, it is assumed to have a positive charge.
This article was first written on 16 Dec. 2011 and now it is rewritten in simple language with more practical approach, due to huge demand from visitors. Pin-wise functioning of IC555 timer Pin-1, GROUND: It is the GROUND PIN of the IC. The negative terminal of DC power supply or battery is connected to this [...]
This is an elaborated list of possible questions on first chapter, SEMINCONDUCTORS & DIODES that are regularly asked in XI Std. examinations in different Junior Colleges. Sometimes the language of questions may be different, but the number of expected questions which are repeatedly asked in Junior College Examinations, are given below. Students are advised to [...]
Adwait Verulkar secured 194/200 in Electronics. Heartiest congratulations to you Adwait…
Hi sir, I got 186 in electronics in HSC and wanted to express my thanks to u bcoz till December I was feeling hopeless with my prep. Your web notes changed all of it. I wanted to express my thanks on ur website but now it is needs some sort of password which I don’t [...]