A transistor is used as...

A transistor is used as

a rectifier

an amplifier

an oscillator

a source of electrons and holes

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

SEMICONDUCTORS AND ELECTRONICS
CHHAYA PUBLICATION|Exercise EXERCISE (Semiconductor diode )|1 Videos
SEMICONDUCTORS AND ELECTRONICS
CHHAYA PUBLICATION|Exercise EXERCISE (Osillator )|1 Videos
SEMICONDUCTORS AND ELECTRONICS
CHHAYA PUBLICATION|Exercise NCERT EXEMPLAR QUESTIONS WITH ANSWER HINT (Multiple Options Correct )|1 Videos
REFRACTION OF LIGHT
CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

Similar Questions

Explore conceptually related problems

The input resistance of a siIicon transistor is 100 Omega . Base current is changed by 40 mu A which resuIts in a change in coIIector current by 2 mA. This transistor is used as a common emitter ampIifier with a Ioad resis- tance of 4 k Omega . What is the voItage of the ampIifier?

For a transistor used in common emitter configuration, alpha = 0.9 . What is the change in collector current when the base current changes by 2muA ?

How wiII you test wheather a transistor is damaged or not?

An n-p-n transistor is Kept in common- emitter con- figuation. AmpIification factor of the transistor is 100.If the coIIector current is changed by 1 mA, what wiII by the corresponding change in the emitter current?

In CE circuit if base of the transistor is increased from 100 mu A to 150 mu A, then collector current increases to 10 mA from 5 mA. Calculate current gain beta of the transistor.

A transistor has beta =100 and I_(B)=20 mu A. Find the emitter current.

Consider an n-p-n transistor with its base -emitter junction forward biased and collector -base junction reverse biased. Which of the following statements are true ?

A transistor is operated in common-emitter configuration at V_(C)=2 V such that a change in the base current from 100 mu A to 300 mu A produces in the collector current from 10 mA to 20 mA. The current gain is

In a common-emitter amplifier circuit using an n-p-n transistor the phase differene between the input and the output voltages will be

For a transistor if beta =100 ,then alpha will be

CHHAYA PUBLICATION-SEMICONDUCTORS AND ELECTRONICS -EXERCISE (Multiple Choice Questions )

Two pieces of copper and germanium are cooled from room temperature to...
Text Solution
|
For in intrinsic semiconductor the energy gap of forbidden zone is app...
Text Solution
|
In a semiconducting material the mobilities of electrons and holes a...
Text Solution
|
In some substance charge can flow at ordinary temperature but not at v...
Text Solution
|
If a small amount of antimony is added to germanium crystal
Text Solution
|
Pure Si at 500 K has equal number of electron (n(e)) and hole (n(h)) c...
Text Solution
|
If a p-n junction diode is not connected in a circuit then
Text Solution
|
In the circuit shown in Fig 1.54 the forward bias resistances of both ...
Text Solution
|
When a p-n diode is reverse biased then
Text Solution
|
The current through the given circuit of Fig .1.56.
Text Solution
|
The impurity atoms that should be added to germenium to make it n-type...
Text Solution
|
The circuit has two oppositely connected ideal diodes in parallel. Wha...
Text Solution
|
When a p-n junction is reverse biased then
Text Solution
|
A Zener diode having breakdown voltage equal to 15V,is used in a volta...
Text Solution
|
If the rate of doping in the emitter base and colletor of a transistor...
Text Solution
|
In the active region of a transistor the biasisng at the emitter-base ...
Text Solution
|
A transistor is used as
Text Solution
|
In an n-p-n transistor circuit collector current is 10 mA. If 90% of e...
Text Solution
|
For a transistor if (DeltaI(C))/(DeltaI(E))=0.96 then the current gain...
Text Solution
|
A transistor is operated in common-emitter configuration at V(C)=2 V ...
Text Solution
|