Draw symbol of NPN and PNP transistors.

Draw symbol of NPN and PNP transistors. 
by

1 Answer

Answer :

image

symbol of NPN and PNP transistors

by

Related questions

what are bjt transistors?

Description : what are bjt transistors?

Last Answer : Bjt transistor is a type of transistor which  uses both electrons and hole charge carrier.bjts are used as switches and amplifiers.They amplify currents.

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.

What is the symbol of a capacitor?

Description : What is the symbol of a capacitor?

Last Answer : symbol of a capacitor

Define resistor and draw symbol of variable resistor.

Description : Define resistor and draw symbol of variable resistor.

Last Answer : Resistor: A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit. Symbol of variable resistor:   

Draw symbol & V-I characteristics of (i) LASCR (ii) DIAC (iii) TRIAC

Description : Draw symbol & V-I characteristics of (i) LASCR (ii) DIAC (iii) TRIAC

Last Answer : (i) LASCR:  (ii) DIAC:  (iii) TRIAC: 

Draw the symbol of LED & photodiode.

Description : Draw the symbol of LED & photodiode. 

Last Answer : Symbol of LED & photodiode

Draw symbol of LED and explain it’s working principle.

Description : Draw symbol of LED and explain it’s working principle.

Last Answer : Construction of LED: The basic structure of LED is shown in fig.(a). The active region exists between the p and n regions. The light emerges from the active side in all the directions when electron hole-pairs ... fig.(c). In this way an LED emits light. This is the principle of operation of LED.

What is photodiode? Draw the symbol and explain operation of photodiode.

Description : What is photodiode? Draw the symbol and explain operation of photodiode. 

Last Answer : A photodiode is a light detector that converts light into an electrical current. A photodiode is a semi-conductor device, with a p-n junction and an intrinsic layer between p and n layers ... current is independent of reverse bias voltage. Reverse current is mostly depends on the light intensity.

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

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 

What is the symbol for AC power?

Description : What is the symbol for AC power?

Last Answer : If you need to measure alternating current in a circuit, different multimeters have different symbols to measure it (and the corresponding voltage), usually "ACA" and "ACV," or "A" and "V" with a squiggly line (~) next to or above them.

What are some symbols associated with Persephone?

Description : What are some symbols associated with Persephone?

Last Answer : Persephone.

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 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

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

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

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 

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

Draw symbol of NPN transistor and state three configurations of transistor (BJT)

Description : Draw symbol of NPN transistor and state three configurations of transistor (BJT)

Last Answer : Configuration - Common Emitter Common Collector Common Base

A triac thyristor functions as a control device and is basically ________________. A. two NPN transistors in parallel with a common base lead B. a diode in series with a temperature sensitive capacitor C. two back-to-back SCR's with a common gate lead D. a triode tube with an extra heavy grid element

Description : A triac thyristor functions as a control device and is basically ________________. A. two NPN transistors in parallel with a common base lead B. a diode in series with a temperature sensitive capacitor C. two ... -back SCR's with a common gate lead D. a triode tube with an extra heavy grid element

Last Answer : Answer: C

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

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

In an npn transistor, _____ are the minority carriers.

Description : In an npn transistor, _____ are the minority carriers.   (a) Free electrons (b) Acceptor ions (c) Donor ions (d) Holes

Last Answer : In an npn transistor, Holes are the minority carriers.

Draw the construction of BJT (NPN) and explain its working principle. State and explain different operating regions.

Description : Draw the construction of BJT (NPN) and explain its working principle. State and explain different operating regions.

Last Answer : Construction of BJT (NPN): Working of NPN Transistor : The circuit diagram of the NPN transistor is shown in the figure below. The forward biased is applied across the emitter-base ... Zero with input current is Zero transistor in cut off. In this region transistor act as open switch

Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Description : Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Last Answer : ANSWER: GERMANIUM

Power transistors with heat sink are fixed by

Description : Power transistors with heat sink are fixed by

Last Answer : Power transistors with heat sink are fixed by Fastening

can transistors amplify voltage?

Description : can transistors amplify voltage?

Last Answer : Yup

Draw the diagram for PAM generation using transistors. Explain its working.

Description : Draw the diagram for PAM generation using transistors. Explain its working.

Last Answer : Explanation:-1. Transistor Q1 is used in the active region so it has been provided with DC biasing to its base. 2. Modulating signal is applied to the base of transistor Q1 3. In the emitter of ... . 7. In the time interval between sampling pulses output is zero. Thus we get the output as PAM.

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

What are the majority current carriers in a PNP transistor?

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

Last Answer : Holes.

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. 

A “PNP” transistor is made of

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

When an NPN transistor is saturated its Vce?

Description : When an NPN transistor is saturated its Vce?

Last Answer : is zero

Which of the symbols shown in the illustration represents an NPN type transistor? EL-0078 A. A B. B C. C D. D

Description : Which of the symbols shown in the illustration represents an NPN type transistor? EL-0078 A. A B. B C. C D. D

Last Answer : Answer: B

If the operating point of an NPN transistor amplifier is selected in saturation region, it is likely to result in A) Thermal runaway of transistor B) Clipping of output in the positive half of the input signal C) Need for high dc collector supply D) Clipping of output in the negative half of the input signal

Description : If the operating point of an NPN transistor amplifier is selected in saturation region, it is likely to result in A) Thermal runaway of transistor B) Clipping of output in the positive half of the ... for high dc collector supply D) Clipping of output in the negative half of the input signal

Last Answer : B) Clipping of output in the positive half of the input signal

What percentage of current in an NPN transistor reaches the collector?

Description : What percentage of current in an NPN transistor reaches the collector?

Last Answer : 98 percent.

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.

To properly bias an NPN transistor, what polarity voltage is applied to the collector, and what is its relationship to the base voltage?

Description : To properly bias an NPN transistor, what polarity voltage is applied to the collector, and what is its relationship to the base voltage?

Last Answer : Positive, more positive.

In which direction does the arrow point on an NPN transistor?

Description : In which direction does the arrow point on an NPN transistor?

Last Answer : Outward.

What is the polarity of the first alternation of the tank circuit in an emitter-loaded npn pulsed oscillator?

Description : What is the polarity of the first alternation of the tank circuit in an emitter-loaded npn pulsed oscillator?

Last Answer : Negative

When an NPN transistor is properly biased then most of the electrons from the emitter

Description : When an NPN transistor is properly biased then most of the electrons from the emitter   (A) recombine with holes in the base (B) recombine in the emitter itself (C) pass through the base to the collector (D) are stopped by the junction barrier

Last Answer : a

Draw symbol of (i) Tray Dryer (ii) Plate column (iii) Packed column (iv) Jaw crusher (v) Strirrer (vi) Ball mill.

Description : Draw symbol of (i) Tray Dryer (ii) Plate column (iii) Packed column (iv) Jaw crusher (v) Strirrer (vi) Ball mill.

Last Answer : i)Tray dryer:   ii)Plate column:    iii)Packed column:   iv) Jaw crusher:   v) Stirrer:   vi) Ball mill  

Draw Conventional symbol for i) Embankment ii) Pond or Lake iii) Tunnel iv) Compound Wall

Description : Draw Conventional symbol for i) Embankment ii) Pond or Lake iii) Tunnel iv) Compound Wall

Last Answer : Conventional symbol for i) Embankment ii) Pond or Lake iii) Tunnel iv) Compound Wall

Draw conventional symbol for: i. Cutting ii. Road with bridge iii. Orchard iv. river

Description : Draw conventional symbol for: i. Cutting ii. Road with bridge iii. Orchard iv. river

Last Answer : conventional symbol for: i. Cutting ii. Road with bridge iii. Orchard iv. river

Draw symbol and state one application of zener diode and LED.

Description : Draw symbol and state one application of zener diode and LED.

Last Answer : Diagram: Application of Zener diode:  It is used as voltage regulator. Used in protection circuits for MOSFET. Used in pulse amplifier. Used in clipping circuits. ... alarm systems 7-segment, 16- segment and dot matrix displays Indicating power ON/OFF conditions

Draw symbol of (i) Tunnel diode (ii) LED

Description : Draw symbol of (i) Tunnel diode (ii) LED

Last Answer : (i) Tunnel diode: (ii) LED:

Define Inductor. Draw its symbol.

Description : Define Inductor. Draw its symbol. 

Last Answer : An inductor is a passive electronic component that stores energy in the form of a magnetic field  

Draw the symbol of i) Iron core inductor ii) variable capacitor iii) resistor iv) Ferrite core inductor

Description : Draw the symbol of i) Iron core inductor ii) variable capacitor iii) resistor iv) Ferrite core inductor

Last Answer :  Iron core inductor:  Ferrite core inductor:  

Draw symbol and characteristic of LDR. Give material used for it.

Description : Draw symbol and characteristic of LDR. Give material used for it.

Last Answer : Symbol of LDR: - ➢ Material used for LDR 1. Light Dependent Resistor (LDR) is made from a piece of exposed semiconductor material such as cadmium sulphide. 2. Materials used ... include, lead sulphide (PbS), lead selenide (PbSe), indium antimonide (InSb) which detect light in the