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

1 Answer

Answer :

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

Related questions

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.

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.

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

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 

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

Last Answer : The polarity of the source voltage

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

Last Answer : Negative

Description : In the basic transistor amplifier discussed earlier, what is the relationship between the polarity of the input and output signals?

Last Answer : The signals are opposite in polarity or 180 degrees out of phase with each other.

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

Last Answer : Holes.

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

Description : Draw symbol of NPN and PNP transistors. 

Last Answer : symbol of NPN and PNP transistors

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 

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

Last Answer : 98 percent.

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

Last Answer : The P or base section.

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

Last Answer : Outward.

Description : Which of the procedures listed could result in damaging a transistor beyond repair? A. Applying incorrect polarity to the collector circuit. B. Applying excessive voltage to the input circuit. C. Careless soldering which would overheat the transistor. D. All of the above.

Last Answer : Answer: D

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

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. 

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

Description : When an NPN transistor is saturated its Vce?

Last Answer : is zero

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

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

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

Last Answer : Configuration - Common Emitter Common Collector Common Base

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.

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

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.

Description : The speed of a multi-speed, squirrel-cage, induction motor operating in a fixed frequency system can be changed by _____________. A. reconnecting stator windings for different numbers of poles B. ... sequence of the applied voltage D. reconnecting the stator so that no poles have the same polarity

Last Answer : Answer: A

Description : As shown in the illustration, the direction of electron flow through the component is _______. EL-0079 A. from terminal 'B' to terminal 'A' B. from terminal 'A' to terminal 'B' C. determined by the polarity of the applied voltage D. opposite from that in a resistor

Last Answer : Answer: B

Description : When troubleshooting a console circuit card which is suspected of being faulty, the first step would be to _____. A. pull the card and measure the value of all resistors B. check for the ... for burned components D. check for continuity of circuit board traces and then the gain of each transistor

Last Answer : Answer: C

Description : A negative damper with negative bias clamps the most positive extremity of the output wave shape to what polarity (positive or negative)?

Last Answer : Negative potential.

Description : To which polarity does a positive damper with positive bins clamp the most negative extremity of the output waveform (positive or negative)?

Last Answer : Positive potential.

Description : Using Weber’s molecular theory of magnetism, describe the polarity of the magnetic poles produced by stroking a magnetic material from right to left with the south pole of a magnet.

Last Answer : South pole at the right, north pole at the left.

Description : Before a diode will conduct, the cathode must be what polarity relative

Last Answer : Negative.

Description : If logic 1 = -5 vdc and logic 0 = 0 vdc, what logic polarity is being used?

Last Answer : Negative.

Description : If logic 1 = +2 vdc and logic 0 = -2 vdc, what logic polarity is being used?

Last Answer : Positive.

Description : If logic 1 = -5 vdc and logic 0 = -10 vdc, what logic polarity is being used?

Last Answer : Positive.

Description : If logic 1 = -5 vdc and logic 0 = -10 vdc, what logic polarity is being used?

Last Answer : Positive.

Description : In applying Kirchhoff’s current law, what does the polarity of the current indicate?

Last Answer : Whether the current is entering the junction (+) or leaving the junction (-).

Description : What is the polarity of the currents that feed the V antenna?

Last Answer : Opposite.

Description : . In a common anode, seven-segment LED display, an individual LED will light if a negative voltage is applied to what element?

Last Answer : The cathode.

Description : A large negative voltage is applied to the plate of a diode, and a largewhat tube parameter has been exceeded?

Last Answer : Peak Inverse Voltage (PIV).

Description : The plate voltage of a tube will vary 126 volts when a 3-volt ac signal is applied to the control grid. What is the gain of this tube?

Last Answer : 42.

Description : An ac voltage is applied across a diode. The tube will conduct when

Last Answer : Positive.

Description : According to Ohm’s law, what happens to circuit current if the applied voltage (a) increases, (b) decreases?

Last Answer : (a) Current increases (b) Current decreases

Description : How does transit time affect the relationship of the grid voltage and the plate current at high frequencies?

Last Answer : Transit time causes the grid voltage and plate current to be out of phase

Description : What is the relationship of current to voltage in a circuit?

Last Answer : current increases as voltage increases.

Description : What is the phase relationship between current and voltage in an inductor?

Last Answer : Current lags voltage by 90° (ELI).

Description : What is the relationship of the voltage at C in figure 3-7 to the voltages at A and B?

Last Answer : C is 1.414 times greater than A or B.

Description : In the circuit shown the voltage drop across the `15Omega` resistor is `30 V` having the polarity as indicated. The ratio of potential difference acro

Last Answer : In the circuit shown the voltage drop across the `15Omega` resistor is `30 V` having the ... difference across `5Omega` and resistance `R` is

Description : Which of the listed conditions could cause a DC motor to have excessively hot windings and sparking at the brushes? A. Reversed interpole polarity B. High bar-to-bar voltage C. Loose brushes D. Excessive humidity

Last Answer : Answer: A

Description : When replacing component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its ... provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage

Last Answer : Answer: D