Junction Transistor

An n – p – n transistor can be used to produce self-sustained oscillations.

The given statement is true of false:

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:

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

In current transfer characteristics, base-collector voltage should be constant.

Write down how will you illustrate current transfer characteristics in CE transistor.

CE and CB, both have the same  phase difference for input and output signal.

Which one of the given has $180°$ a phase difference in input and output signal?

For the CE amplifier, the phase difference between input and output single is not $90°$.

Due to $180°$ phase difference, the CE amplifier is known as _____.

Improper biasing of a transistor circuit produces

In a common base mode of a transistor, the collector current is $5.488 \mathrm{mA}$ for an emitter current of $5.60 \mathrm{mA}$. The value of the base current amplification factor $\left(\beta \right)$ will be

Why is the emitter of a transistor so heavily doped?

Define a junction transistor.

Find the voltage amplification in a common emitter transistor amplifier if the current gain is $40$, the output resistance is $2000 \mathrm{\Omega }$ and the input resistance is $700 \mathrm{\Omega }$. 

Explain why is there a phase difference of $180°$ between the input signal voltage and the output signal voltage of a common emitter amplifier.

Draw the diagram for transistor being used as a switch.

Describe the working regions of a transistor switch with the help of a graph.

What is an active state in a transistor switch?

In which state is the transistor said to be in a switched off mode?