Present ear is called the era of Electronics. Now-a-days application of electronics are seen in our everyday life-like radio, television, VCR, computer, interne, mobile, i-pad etc. Electronics is originated from the word electron. Electronics in a branch of physics dealing with the flow of electrons in devices like valves or semi-conductor devices. The working of the devices in general, depend upon the regulation of flow of electrons. So the branch of physics which deals the control of motion of electron through vacuum or through gas or through any solid substance is called electronics.
teachingbd24.com is such a website where you would get all kinds of necessary information regarding educational notes, suggestions and questions’ patterns of school, college and madrasahs. Particularly you will get here special notes of physics that will be immensely useful to both students and teachers. The builder of the website is Mr. Md. Shah Jamal Who has been serving for 30 years as an asst. Professor of BAF Shaheen College. He expects that this website will meet up all the needs of Bengali version learners /students. He has requested concerned both students and teachers to spread this website home and abroad.