For a common emitter amplifier,the current ga | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) Given: Current gain in common emitter configuration,$\beta = 50$.Emitter current,$I_e = 6.6 \ mA$.We know that the relationship between current ga

Vedclass · Accepted Answer

$0.98$

Vedclass · Answer

(D) Given: Current gain in common emitter configuration,$\beta = 50$.Emitter current,$I_e = 6.6 \ mA$.We know that the relationship between current gain in common base $(\alpha)$ and common emitter $(\beta)$ configurations is given by:$\alpha = \frac{\beta}{1 + \beta}$Substituting the value of $\beta = 50$:$\alpha = \frac{50}{1 + 50} = \frac{50}{51}$$\alpha \approx 0.98$Thus,the current gain when it acts as a common base amplifier is $0.98$.

For a common emitter amplifier,the current gain is $50$. If the emitter current is $6.6 \ mA$,then the value of the current gain when it acts as a common base amplifier is:

Similar Questions

For a common-emitter transistor amplifier, the current gain is $60$. If the emitter current is $6.6 \,mA$, then its base current is (in $\,mA$)

The input voltage applied to a $CE$ amplifier is $v_i = 0.2 \sin(1000t) \text{ V}$. If the voltage gain of the amplifier is $10$,the equation for the output voltage is ....... $\text{V}$.

Three circuit connections of a $PNP$ transistor are given below. Which of the following represents the Common-Emitter configuration?

$A$ transistor has a voltage gain '$A$'. If a fraction '$\beta$' of its output is fed back to the input of the transistor,then the transistor becomes an oscillator when:

In a transistor,the base is made very thin and is lightly doped with an impurity because:

Vedclass Test Series

Exam Paper Generator

Online Exam Module