Transistor Action and Its Characteristics

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

The given statement is true of false:

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 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 $35 \mathrm{\mu A}$.

The collector current $\left({\mathrm{I}}_{\mathrm{c}}\right)$ that is obtained in a self biased transistor is _____

The correct relation between $\alpha and \beta$ in a transistor is

Define beta current gain of the transistor.

Alpha current gain is defined for which of the following configuration:

Define alpha current gain of a transistor.

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.

Draw the symbol of an N-P-N transistor.

When transistors are used in digital circuits they usually operate in:

________ 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

The current gain for a transistor working as common-base amplifier is $0.96.$ If the emitter current is $7.2 \mathrm{mA},$ then the base current is ________

In an NPN transistor circuit, the collector current is $10\text{mA}\text{.}$ If $90\%$ of the emitted electrons reach the collector, the emitter current $\left(I_{\mathrm{E}}\right)$ and base current $\left(I_{\mathrm{B}}\right)$ are given by

For a common emitter configuration, if $\mathrm{\alpha }$ and $\mathrm{\beta }$ have their usual meanings, the correct relationship between $\mathrm{\alpha }$ and $\mathrm{\beta }$ is: