A “PNP” transistor is made of

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Answer :

A “PNP” transistor is made of Either Ge (or) Si

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Related questions

As shown in the illustration, which of the elements listed does the line 'B' represent in the basic schematic symbol of a PNP transistor? EL-0068 A. Base B. Emitter C. Cathode D. Collector

Description : As shown in the illustration, which of the elements listed does the line 'B' represent in the basic schematic symbol of a PNP transistor? EL-0068 A. Base B. Emitter C. Cathode D. Collector

Last Answer : Answer: D

PNP and NPN transistor:

Description : PNP and NPN transistor:

Last Answer : PNP transistors is the one in which one N, type semiconductor is sandwiched in between two P type or accepter diodes while NPN transistor is the one in which two N type semiconductors are fitted on the both sides of p-type semiconductor to allow to pass current from them.

What is the relationship between the polarity of the voltage applied to the PNP transistor and that applied to the NPN transistor?

Description : What is the relationship between the polarity of the voltage applied to the PNP transistor and that applied to the NPN transistor?

Last Answer : The polarity of voltage applied to the PNP transistor is opposite of that applied to the NPN

What are the majority current carriers in a PNP transistor?

Description : What are the majority current carriers in a PNP transistor?

Last Answer : Holes.

In a transistor, the conventional current flows from base to emitter. The transistor is (a) NPN (b) PNP (c) FET (d) None of these

Description : In a transistor, the conventional current flows from base to emitter. The transistor is (a) NPN (b) PNP (c) FET (d) None of these

Last Answer : (a) NPN

Explain the operating principle of PNP transistor.

Description : Explain the operating principle of PNP transistor. 

Last Answer : The circuit connection of PNP transistor with supply voltages is as shown above. The emitter-base junction is connected as forward bias. Due to this the emitter pushes the holes from the P ... by the collector. This develops the collector current IC. This is how a PNP transistor operates. 

In a BJT circuit a pnp transistor is replaced by npn transistor. To analyse the new circuit

Description : In a BJT circuit a pnp transistor is replaced by npn transistor. To analyse the new circuit (1) All calculations done earlier have to be repeated (2) Replace all calculated voltages by ... all calculated currents by reverse values (4) Replace all calculated voltages and currents by reverse values 

Last Answer : In a BJT circuit a pnp transistor is replaced by npn transistor. To analyse the new circuit  Replace all calculated voltages and currents by reverse values 

What is the full form of 'PnP' ? -How To ?

Description : What is the full form of 'PnP' ? -How To ?

Last Answer : The full form of 'PnP' is Plug and Play

What is the full form of PnP ?

Last Answer : Plug 'n Play

As shown in the illustration, which electrical symbol represents a PNP type semiconductor? EL-0065 A. A B. B C. C D. D

Description : As shown in the illustration, which electrical symbol represents a PNP type semiconductor? EL-0065 A. A B. B C. C D. D

Last Answer : Answer: C

An important characteristic of the device shown in figure 'B' of the illustration as compared with conventional NPN or PNP transistors is its ____________. EL-0065 A. higher temperature sensitivity B. higher power ratings C. very high input resistance D. all of the above

Description : An important characteristic of the device shown in figure 'B' of the illustration as compared with conventional NPN or PNP transistors is its ____________. EL-0065 A. higher temperature sensitivity B. higher power ratings C. very high input resistance D. all of the above

Last Answer : Answer: C

Which of the following statements correctly applies to transistors? A. NDN and PNP are the two basic types of transistors. B. The three terminals are called the emitter, base, and collector. C. The emitter separates the base and collector. D. The collector separates the emitter and base.

Description : Which of the following statements correctly applies to transistors? A. NDN and PNP are the two basic types of transistors. B. The three terminals are called the emitter, base, and collector. C. The emitter separates the base and collector. D. The collector separates the emitter and base.

Last Answer : Answer: B

What is the primary difference between the NPN and PNP amplifiers?

Description : What is the primary difference between the NPN and PNP amplifiers?

Last Answer : The polarity of the source voltage

Draw symbol of NPN and PNP transistors.

Description : Draw symbol of NPN and PNP transistors. 

Last Answer : symbol of NPN and PNP transistors

Most of the transistors are NPN type and not PNP type because

Description : Most of the transistors are NPN type and not PNP type because  1.NPN transistor gives large voltage gain 2.NPN transistors are more negative than PNP transistors 3.In NPN transistor, the current ... free electrons which are less mobiles than holes 4.We can have high conduction is NPN transistors 

Last Answer : Most of the transistors are NPN type and not PNP type because We can have high conduction is NPN transistors 

Compare P.N.P and N.P.N transistor.

Description : Compare P.N.P and N.P.N transistor.

Last Answer : Parameter PNP transistor NPN transistor Definition Two blocks of p- types semiconductors are separated by one thin block of n-type semiconductor. Transistor in which two ntype layer ... Positive Voltage  Emitter Terminal Collector Terminal Ground Signal High Low

Transistor operating configurations

Description : Transistor operating configurations

Last Answer : Transistor operating configurations

Define junction field effect transistor (JFET) and give an example.

Description : Define junction field effect transistor (JFET) and give an example.

Last Answer : Junction Field-Effect Transistor: It is a semiconductor device having three terminals, namely Gate, Drain and Source, in which the current flow is controlled by an electric field set up by an external voltage applied ... : i) n-channel JFET and ii) p-channel JFET Examples of JFET: BFW 10, BFW 11 

Explain working of n-p-n transistor in unbiased condition.

Description : Explain working of n-p-n transistor in unbiased condition.

Last Answer : Construction of NPN transistor: For an unbiased transistor no external power supplies are connected to it. Base is sandwiched between collector & emitter terminal. It is thin & lightly doped ... providing external power supply to transistor & this process is known as Biasing.

Define α & β and derive the relation between (α) &) (β) of transistor.

Description : Define α & β and derive the relation between (α) &) (β) of transistor.

Last Answer : α : The ratio of output collector current IC to input emitter current IE in the CB configuration is called current gain alpha (α).  β : The ratio of output collector current IC to the input base current IB in the CE configuration is ... ( 1/β) + 1  hence 1/ α = (1+β )/ β  Therefore, α = β /(1+β)

Define biasing of transistor

Description : Define biasing of transistor

Last Answer : Biasing of transistor is the process that makes the base emitter junction of transistor always forward biased and collector junction reverse biased for achieving the faithful amplification .

With neat diagram explain working of NPN transistor.

Description : With neat diagram explain working of NPN transistor.

Last Answer : N-p-n transistor is made by sandwiching thin layer of p-type semiconductor between two layers of n-type semiconductor. It has three terminals - Emitter, Base and collector. The npn transistor has two ... up in the collector as it is more positive. In this way, current flows in the transistor.

Draw and explain self-basing of a transistor.

Description : Draw and explain self-basing of a transistor.

Last Answer : Transistor Biasing is the process of setting a transistors DC operating voltage or current conditions to the correct level so that any AC input signal can be amplified correctly by the transistor. ExplanationIt ... Applying KVL to o/p loop , Collector-emitter voltage, VCE = VCC − IC RC

Compare between CB , CE & CC transistor configuration.

Description : Compare between CB , CE & CC transistor configuration.

Last Answer : Parameter CB CE CC I/P impedance Low Or 50Ω Medium Or 600Ωto 4kΩ High Or 1 MΩ Current Gain Less than or equal to 1 High Highest Voltage Gain Medium Medium Less ... k Ω to 50 k Ω Low Or 50 Ω Phase shift between input and output 0° 360° 0° 

Why transistor is called as bipolar device.

Description : Why transistor is called as bipolar device.

Last Answer : BJT is called bipolar device because in BJT current conduction takes place due to majority as well as minority charge carriers that is because of electrons as well as holes.

Which parameter is not changed by transistor?

Description : Which parameter is not changed by transistor? A. Frequency B. phase C. amplitude D. all of these

Last Answer : Frequency parameter is not changed by transistor.

In a junction transistor, the doping level of collector region is:

Description : In a junction transistor, the doping level of collector region is:  (1) Higher than emitter region (2) Lower than base region (3) Is higher than base region but lower than emitter region  (4) Independent of the doping of base and emitter regions.

Last Answer : In a junction transistor, the doping level of collector region is: Is higher than base region but lower than emitter region.

One advantage of transformer coupling in transistor amplifier is that:

Description : One advantage of transformer coupling in transistor amplifier is that:  (1) it provides excellent frequency response (2) It is simple and less expensive than others (3) Low power supply may be used (4) High efficiency and high power output is obtained.

Last Answer : One advantage of transformer coupling in transistor amplifier is that: High efficiency and high power output is obtained.

IC is made up of _________ (A) microprocessor (B) vacuum tube (C) transistor (D) None of the Above

Description : IC is made up of _________ (A) microprocessor (B) vacuum tube (C) transistor (D) None of the Above

Last Answer : (C) transistor

Transistor parts and refrigerator components are normally made of (A) Polystyrene (B) Polyester (C) High density polythene (D) Polyurethane

Description : Transistor parts and refrigerator components are normally made of (A) Polystyrene (B) Polyester (C) High density polythene (D) Polyurethane

Last Answer : (A) Polystyrene

This invention replaced vacuum tubes and made computers much smaller and faster. However, it was eventually replaced by another invention (i) RAM (ii) ENIAC (iii) Transformer (iv) Transistor.

Description : This invention replaced vacuum tubes and made computers much smaller and faster. However, it was eventually replaced by another invention (i) RAM (ii) ENIAC (iii) Transformer (iv) Transistor.

Last Answer : (iv) Transistor.

In the NPN transistor, what section is made very thin compared with the other two sections?

Description : In the NPN transistor, what section is made very thin compared with the other two sections?

Last Answer : The P or base section.

What electronic function made the transistor famous?

Description : What electronic function made the transistor famous?

Last Answer : Amplification.

A semiconductor device made up of a single p-n Junction is called a: w) transistor x) diode y) Fet z) integrated circuit

Description : A semiconductor device made up of a single p-n Junction is called a: w) transistor x) diode y) Fet z) integrated circuit

Last Answer : ANSWER: X -- DIODE