What is the voltage gain in a common emi...

What is the voltage gain in a common emitter amplifier where input resistance is `3 Omega` and load resistance is `24 Omega` :- `(beta = 6)` ?

`2.2`

`1.2`

`4.8`

`48`

Text Solution

Verified by Experts

The correct Answer is:

Voltage gain `=beta(R_(0))/(R_("in"))=6xx(24)/(3)=48`

Topper's Solved these Questions

SEMICONDUCTORS
ALLEN |Exercise Part-3(Exercise-3)|27 Videos
SEMICONDUCTORS
ALLEN |Exercise Part-3(Exercise-4)|50 Videos
SEMICONDUCTORS
ALLEN |Exercise Part-3(Exercise-1)|84 Videos
PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT
ALLEN |Exercise EXERCISE-IV|7 Videos
WAVES AND OSCILLATIONS
ALLEN |Exercise Part-1(Exercise-05)[B]|42 Videos

Similar Questions

Explore conceptually related problems

Two resistors when connected in series net resistance is 5 Omega and when they are connected in parallel net resistance is 1.2 Omega . What are these resistors ?

An A.C. supply of 350 V, 60 Hz is applied to a full wave rectifier. If internal resistance of each diode is 200Omega and load resistance R_(1)=5k Omega , then the maximum value of output current is …….

A transistor has a current amplification factor (current gain) of 50 , In a CE amplifier circuit, the collector resistance is chosen as 5 k Omega and the input resistance is 1 k Omega Calculate the output voltage if input voltage is 0.01 V.

Two resistors when connected in series net resistance is 5 Omega and when they are connected in parallel net resistance is 1.2 Omega What are these resistors?

A common emitter amplifier has a voltage gain of 50, an input impedance of 200 Omega and an output impedance of 400 Omega . Calculate the power gain of the amplifier.

How can three resistor of resistances 2 Omega, 3 Omega and 6 Omega be connected to give a total resistance of 4 Omega

Resistances of three resistors are in the proportion connected in parallel, their effective resistance is 6 Omega . Then connect on if these resistance are connect in series so equivalent resistance will be .......

In a CE transistor amplifier, the audio signal voltage across the collector resistance of 2kOmega is 2V. If the base resistance is 1kOmega and the current amplification of the transistor is 100, the input signal voltage is ………..

A hot plate of an electric oven connected to a 220V line has two resistance coils A and B, each of 24 Omega resistance, which may be used separately, in series, or in parallel. What are the currents in the three cases?

Specific resistance of material of one wire is rho . Its volume is 3 m^(3) and its resistance is 3 Omega . Its length would be ..... .

ALLEN -SEMICONDUCTORS-Part-3(Exercise-2)

Current in the circuit will be
Text Solution
|
Electrical conductivies of Ge and Na are sigma(1) and sigma(2) respect...
Text Solution
|
What is the voltage gain in a common emitter amplifier where input res...
Text Solution
|
The current of transistor in common emitter mode is 49. The change in ...
Text Solution
|
In the CB mode of a transistor, when the collector voltage is changed ...
Text Solution
|
Zener diode is used as
Text Solution
|
Consider an n-p-n transistor amplifer in common-emitter configuration....
Text Solution
|
A transistor is used in common emitter mode as an amplifier. Then (A...
Text Solution
|
An electric field us applied to a semiconductor.Let the number of char...
Text Solution
|
Two identical p-n juctions may be connected in series with a battery i...
Text Solution
|
In an n-p-n transistor circuit, the collector current is 20 mA. If 90 ...
Text Solution
|
In sample of pure silicon 10^(13) "atom"//cm^(3) is mixed of phosphoru...
Text Solution
|
Mobility of electron in N-type Ge is 5000 cm^(2)//"volt" sec and condu...
Text Solution
|
A diode made forward biased by a two volt battery however there is a d...
Text Solution
|
Forbidden energy gap of Ge is 0.75eV, maximum wave length of incident ...
Text Solution
|
In the figure, the input is across the terminals A and C and the o...
Text Solution
|
An oscillator is nothing but an amplifier with
Text Solution
|
In the following common emitter configuration an NPN transistor with c...
Text Solution
|
In the given transistor circuit, the base current is 35 muA. The value...
Text Solution
|
In the cuircuit shown here the transistor used has a current gain beta...
Text Solution
|