Junction Transistor

Choose the correct expression for the current gain in n – p – n transistor in CE configuration:

Choose the correct expression for the current gain in n – p – n transistor in CE configuration:

If $I_{\epsilon }$ is the emitter current, $I_B$ the base current and $I_C$ the collector current of a transistor, then which of the following statements are NOT TRUE?

(i) $I_E\approx I_B\approx I_C$

(ii) $I_B<<I_E\approx I_C$

(iii) $I_C<<I_E\approx I_B$

(iv) $I_E<I_C\approx I_B$

The characteristics of an$n-p-n$ transistor in common emitter configuration is shown in the figure below. $I_B$ is the base current, $I_C$ is the collector current and $V_{CE}$ is the voltage at the collector with respect to the emitter. From the data shown here we may conclude

For a transistor in common emitter configuration, the emitter current is $1 \mathrm{mA}$ and the base current is $25 \mu \mathrm{A}.$ The ${\beta }_{dc}$ of the transistor is

The collector current is $10 \mathrm{mA}$ in $n-p-n$ transistor. If $80\%$ electrons emitted reach the collector then:

Find the value of the resistor $R_b$, if the base current in the transistor circuit shown in the figure is $35 \mathrm{\mu A}$.

Consider a common-base amplifier made by a $PNP$ transistor, the current gain is $0.96$ and emitter current is $7.2 \mathrm{mA}$. The base current is:

Output is taken between the emitter and the base of a transistor in a common-collector configuration of an amplifier.

Show the circuit diagram for the biasing of a P-N-P transistor in common collector configuration.

Draw the circuit diagram for the common collector configuration of N-P-N transistor as an amplifier.

A certain $npn$ transistor has a forward current gain $\beta$ of $99$. The current amplification factor $\alpha$ of the transistor is

The relationship between current gain $\alpha$ in Common Base [CB] mode and current gain $\beta$ in Common Emitter [CE] mode is

A transistor having $\alpha =0.99$ and $V_{BE}=0.7 V,$ is given in the circuit. Find the value of the collector current.

________ segment supplies the majority charge carriers for the current flow through a transistor

The base region in a p-n-p transistor is obtained by doping an intrinsic semiconductor with

The moderate sized and heavily doped region of a transistor is

What will be the current gain in the common emitter amplifier if $I_C =0.9 mA, I_{b }= 11.25 \mu A?$

In the figure, given that $V_{\text{BB}}$ supply can vary from $0$ to $5.0 \mathrm{V}, V_{\mathrm{cc}}=5 \mathrm{V}, {\mathrm{\beta }}_{\mathrm{dc}}=200, R_{\mathrm{B}}=100 \mathrm{k\Omega }, R_{\mathrm{c}} =1 \mathrm{k\Omega }$  and $V_{\mathrm{BE}}=1.0 \mathrm{V}.$ The minimum base current and the input voltage at which the transistor will go to saturation will be, respectively:

A transistor connected at common emitter mode contains load resistance of $5 \mathrm{k\Omega }$ and an input resistance of $1 \mathrm{k\Omega }.$ If the input peak voltage is $5 \mathrm{mV}$ and the current gain is $50,$ find the voltage gain.