Transistor as an Amplifier - Semiconductor Electronics | Class 12 Physics 2022-23

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Previous Video: Chapter - 14.51 - Concept of an Amplifier - Class 12th Physics: kzbin.info/www/bejne/iZqyeYmBlLNojtE Next Video: Chapter - 14.53 - Current Gain or Amplification Factor - Class 12th Physics: kzbin.info/www/bejne/in3Xonl5fbl1nLs

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Current nahi output voltage is amplified.... Input voltage is Vbb which has to be amplified. Now increase in base current increases collector current several times and so voltage drop in the output side increases...(V=iR); (i directly proportional to V) And when transistor is used in common emitter set up, it functions as an amplifier.

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Mam But in the book, it's given that, CB configuration is used for amplifier....

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Is it necessary that Vbb should be greater than the max value of input voltage??

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