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CBSE Class 12-science Answered

Pls clarify the formula for voltage gain as it is shown diffent in two diffent episodes of transistors and appl. of transistors?
Asked by padmini kommu | 24 Feb, 2011, 12:00: AM
Expert Answer
Dear student,
 

When referring to measurements of amplitude, when impedances at input and output are equal, a ratio can be expressed in decibels (G) by evaluating twenty times the base-10 algorithm of the ratio of the measured quantity (Vout) to the reference level (Vin).

  
 
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