(B) In a transistor, the common emitter $(CE)$ configuration is the most widely used because it provides both high current gain $(\beta)$ and high vol

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Common emitter is commonly used because current gain is maximum.

(B) In a transistor, the common emitter $(CE)$ configuration is the most widely used because it provides both high current gain $(\beta)$ and high voltage gain, resulting in a high power gain.In the common base $(CB)$ configuration, the current gain $(\alpha)$ is In the common collector $(CC)$ configuration, the current gain is high, but the voltage gain is Therefore, the common emitter configuration is preferred for amplification purposes.

Class 12 Physics Semiconductor Electronics Junction Transistor

Easy

Which of the following statements is true regarding transistor configurations?

A
Common base transistor is commonly used because current gain is maximum.
B
Common emitter is commonly used because current gain is maximum.
C
Common collector is commonly used because current gain is maximum.
D
Common emitter is the least used transistor.

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Semiconductor Electronics

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Junction Transistor

$10^{10}$ electrons enter the emitter of a junction transistor in a time of $0.4 \mu s$. If $5 \%$ of the electrons are lost in the base, then the collector current is (in $\text{ mA}$)

MediumTS EAMCET 2025

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The input resistance of a common-emitter amplifier is $2 \, k\Omega$ and a.c. current gain is $20$. If the load resistor used is $5 \, k\Omega$,calculate the transconductance of the transistor used in $\Omega^{-1}$.

Easy

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If the value of $R_e$ is zero then voltage gain is $200$. Find the voltage gain when $R_e$ is $2 \, k\Omega$.

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In a $p-n-p$ transistor working as a common base amplifier, when the current gain is $0.96$ and emitter current is $7.2 \,mA$, the base current is (in $\,mA$)

MediumAP EAMCET 2020

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$A$ transistor has a current amplification factor of $60$. In a $CE$ amplifier, input resistance is $1 \, k\Omega$ and output voltage is $0.01 \, V$. The transconductance is (in $SI$ units)

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Which of the following statements is true regarding transistor configurations?

Similar Questions

$10^{10}$ electrons enter the emitter of a junction transistor in a time of $0.4 \mu s$. If $5 \%$ of the electrons are lost in the base, then the collector current is (in $\text{ mA}$)

The input resistance of a common-emitter amplifier is $2 \, k\Omega$ and a.c. current gain is $20$. If the load resistor used is $5 \, k\Omega$,calculate the transconductance of the transistor used in $\Omega^{-1}$.

If the value of $R_e$ is zero then voltage gain is $200$. Find the voltage gain when $R_e$ is $2 \, k\Omega$.

In a $p-n-p$ transistor working as a common base amplifier, when the current gain is $0.96$ and emitter current is $7.2 \,mA$, the base current is (in $\,mA$)

$A$ transistor has a current amplification factor of $60$. In a $CE$ amplifier, input resistance is $1 \, k\Omega$ and output voltage is $0.01 \, V$. The transconductance is (in $SI$ units)

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