We received the Question “Please explain the working of a transistor as a switch” via email The answers can be found from the following links. http://www.electronics-tutorials.ws/transistor/tran_4.html http://c8051.leongkj.net/learning_object/general_transistor_as_ switch.swf If you have further doubts, please post them as comments
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Jul 16
Five marks questions from Electronic Devices (Long Answer Type)
Explain the formation of energy Bands in solids. Distinguish between metals, insulators and semiconductors on the basis of band theory. Distinguish between intrinsic and extrinsic semiconductors and the conduction in P type and N type semiconductors. Explain the formation of depletion region and barrier potential in a pn junction. Draw the circuit diagram used to study the …
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