CBSE Class 12-science Answered
please explain transistor as an amplifier & switch & oscillator {im not able to view this video..slow internet connection]
Asked by imattop | 24 Feb, 2011, 12:00: AM
Expert Answer
Dear student
Pls. Post each query individually.
Transistor as an Amplifier
In the common-emitter amplifier, a small change in voltage in (Vin) changes the small current through the base of the transistor. Thus the transistor's current amplification is combined with the properties of the circuit and small swings in Vin produce large changes in Vout.
There are various configurations of single transistor amplifier are possible such as some providing current gain, some voltage gain, and some both.
Hope this helps.
regards
Team
Topperlearning
Answered by | 24 Feb, 2011, 10:20: AM
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