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.

Semiconductor

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https://i1.wp.com/static.teachingbd24.com/wp-content/uploads/2014/08/Semiconductor.jpg?fit=203%2C194https://i1.wp.com/static.teachingbd24.com/wp-content/uploads/2014/08/Semiconductor.jpg?resize=203%2C165Shah JamalBangla VersionHSCNew CurriculumNotePhysics 2nd PaperElectronics,semiconductor,Semiconductor and Electronics,Semiconductot,Semiconductot and ElectronicsPresent 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...Shah Jamal's Online Classroom