The following is an amplifying device : (1) a transformer (2) a transistor (3) a diode (4) a resistor

The following is an amplifying device : (1) a transformer (2) a transistor (3) a diode (4) a resistor
by

1 Answer

Answer :

(2) a transistor Explanation: A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
by
selected

Related questions

Which one among the following components is used as an amplifying device? (1) Transformer (2) Diode (3) Capacitor (4) Transistor

Description : Which one among the following components is used as an amplifying device? (1) Transformer (2) Diode (3) Capacitor (4) Transistor

Last Answer : (4) Transistor Explanation: An amplifier is an electronic device that increases the voltage, current, or power of a signal. Generally transistors are active devices that can be used with discrete components to amplify voltage, power or both depending upon the configuration.

Which one among the following components is used as an amplifying device? (1) Transformer (2) Diode (3) Capacitor (4) Transistor

Description : Which one among the following components is used as an amplifying device? (1) Transformer (2) Diode (3) Capacitor (4) Transistor

Last Answer : Transistor

A NOT gate can be implemented by: (1) a single diode (2) two diodes (3) a single resistor (4) a single transistor

Description : A NOT gate can be implemented by: (1) a single diode (2) two diodes (3) a single resistor (4) a single transistor

Last Answer : (4) a single transistor Explanation: In digital logic, an inverter or NOT gate is a logic gate which implements logical negation. An inverter circuit outputs a voltage representing the opposite ... be constructed using a single NMOS transistor or a single PMOS transistor coupled with a resistor.

A NOT gate can be implemented by: (1) a single diode (2) two diodes (3) a single resistor (4) a single transistor

Description : A NOT gate can be implemented by: (1) a single diode (2) two diodes (3) a single resistor (4) a single transistor

Last Answer : a single transistor

The device that most commonly utilizes the principle of electromagnetic induction is the _____________. A. diode B. transformer C. transistor D. rheostat

Description : The device that most commonly utilizes the principle of electromagnetic induction is the _____________. A. diode B. transformer C. transistor D. rheostat

Last Answer : Answer: B

A component that allows only unidirectional current to pass through it is A. resistor B. inductor C. transformer D. diode

Description : A component that allows only unidirectional current to pass through it is A. resistor B. inductor C. transformer D. diode

Last Answer : diode

Which one among the following components can not be developed within an "integrated circuit"? (1) Diode (2) Triode (3) Transformer (4) Transistor

Description : Which one among the following components can not be developed within an "integrated circuit"? (1) Diode (2) Triode (3) Transformer (4) Transistor

Last Answer : (3) Transformer Explanation: Some components like transformers and inductors cannot be integrated into an IC except for very specialized high frequency applications. They have to be ... circuit boards as separate components and cannot be integrated into semiconductor based integrated circuits.

Which one among the following components can not be developed within an “integrated circuit”? (1) Diode (2) Triode (3) Transformer (4) Transistor

Description : Which one among the following components can not be developed within an “integrated circuit”? (1) Diode (2) Triode (3) Transformer (4) Transistor

Last Answer : Transformer

A combination of N-type and P-type material is called a) Diode b) Transistor c) Resistor d) Capacitor

Description : A combination of N-type and P-type material is called a) Diode b) Transistor c) Resistor d) Capacitor

Last Answer : a) Diode

Device used to store energy in electrical circuits is A. resistor B. inductor C. capacitor D. diode

Description : Device used to store energy in electrical circuits is A. resistor B. inductor C. capacitor D. diode

Last Answer : capacitor

The device which transfer the signal from low resistance region to high resistance region is – (1) diode (2) transistor (3) capacitor (4) inductor

Description : The device which transfer the signal from low resistance region to high resistance region is – (1) diode (2) transistor (3) capacitor (4) inductor

Last Answer : (2) transistor Explanation: A transistor transfers a signal from a low resistance to high resistance. It has two PN-junctions: one junction is forward biased and other junction is reverse biased ... is introduced in the low resistance, circuit and output is taken from the high resistance circuit.

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

The device which transfer the signal from low resistance region to high resistance region is (1) diode (2) transistor (3) capacitor (4) inductor

Description : The device which transfer the signal from low resistance region to high resistance region is (1) diode (2) transistor (3) capacitor (4) inductor

Last Answer : transistor

Which of the listed devices may be used as a digital device? A. variable resistor B. diode C. strain gauge D. thermistor

Description : Which of the listed devices may be used as a digital device? A. variable resistor B. diode C. strain gauge D. thermistor

Last Answer : Answer: B

Which semiconductor device acts like a diode and two transistor : -

Description : Which semiconductor device acts like a diode and two transistor : -  a) SCR b) Triac c) UJT d) Diac

Last Answer : Which semiconductor device acts like a diode and two transistor : - UJT

What is the formula used to determine the gain of an amplifying device?

Description : What is the formula used to determine the gain of an amplifying device?

Last Answer : Gain = output ÷ input.

The device in communication satellites which receives signals from an earth station and transmits them to different directions is (1) Transformer (2) Transistor (3) Transponder (4) Transducer

Description : The device in communication satellites which receives signals from an earth station and transmits them to different directions is (1) Transformer (2) Transistor (3) Transponder (4) Transducer

Last Answer : Transponder

The component used for tuning a radio is basically a variable – (1) Resistor (2) Condenser (3) Inductor (4) Transformer

Description : The component used for tuning a radio is basically a variable – (1) Resistor (2) Condenser (3) Inductor (4) Transformer

Last Answer : (2) Condenser Explanation: A tuning capacitor or tuning condenser is a variable capacitor used in an electronic circuit of a radio. It usually connects in parallel to a loop antenna and its capacitance may be intentionally and repeatedly changed mechanically or electronically.

The 'Choke' used with a tube light is basically – (1) an inductor (2) a capacitor (3) a transformer (4) a resistor

Description : The 'Choke' used with a tube light is basically – (1) an inductor (2) a capacitor (3) a transformer (4) a resistor

Last Answer : (1) an inductor Explanation: In electronics, a choke is an inductor used to block higher-frequency alternating current (AC) in an electrical circuit, while passing lower-frequency or direct ... created by suddenly interrupting the current in choke, which is connected in series with the tubelight.

Ratio of voltages is inverse ratio of the A. transformer B. resistor C. iron core D. current

Description : Ratio of voltages is inverse ratio of the A. transformer B. resistor C. iron core D. current

Last Answer : current

In transformer, alternating current is induced inA. primary coilB. secondary coilC. iron coreD. resistor

Description : In transformer, alternating current is induced inA. primary coil B. secondary coil C. iron core D. resistor

Last Answer : primary coil

A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Description : A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Last Answer : ANSWER: W -- 25 OHMS

The component used for tuning a radio is basically a variable (1) Resistor (2) Condenser (3) Inductor (4) Transformer

Description : The component used for tuning a radio is basically a variable (1) Resistor (2) Condenser (3) Inductor (4) Transformer

Last Answer : Condenser

The ‘Choke’ used with a tube light is basically (1) an inductor (2) a capacitor (3) a transformer (4) a resistor

Description : The ‘Choke’ used with a tube light is basically (1) an inductor (2) a capacitor (3) a transformer (4) a resistor

Last Answer : an inductor

The most inefficient method of voltage reduction, from the standpoint of power loss, even when placed in series with the load, is the use of a/an ____________. A. capacitor B. inductor C. resistor D. transistor

Description : The most inefficient method of voltage reduction, from the standpoint of power loss, even when placed in series with the load, is the use of a/an ____________. A. capacitor B. inductor C. resistor D. transistor

Last Answer : Answer: C

When troubleshooting a console circuit card suspected of being faulty, first check operating voltages, clean the card and then _________________. A. make sure wired connections and push-on connectors are tight B. test each resistor and capacitor on the card with an ohmmeter C. check the continuity of all printed circuit traces with an ohmmeter D. measure the gain of each transistor or integrated circuit

Description : When troubleshooting a console circuit card suspected of being faulty, first check operating voltages, clean the card and then _________________. A. make sure wired connections and push-on connectors ... circuit traces with an ohmmeter D. measure the gain of each transistor or integrated circuit

Last Answer : Answer: A

A sensing device is also called A. transistor B. thermistor C. sensor D. transducer

Description : A sensing device is also called A. transistor B. thermistor C. sensor D. transducerp

Last Answer : transducer

In the illustration, the component VR2 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to terminal 1 that controls the input to terminal 10 C. a zener diode that regulates the voltage to terminal 2 at 9.1 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC

Description : In the illustration, the component VR2 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to terminal ... 2 at 9.1 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC

Last Answer : Answer: C

In the illustration, the component VR1 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to terminal 9 that controls the input to terminal 10 C. a zener diode that regulates the voltage to terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC

Description : In the illustration, the component VR1 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to ... terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC

Last Answer : Answer: A

In the illustration, the component VR1 on the A1A1 PCB is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply B. a variable resistor diode to control the output to terminal 9 that controls the input to terminal 10 C. a zener diode that regulates the voltage to terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC

Description : In the illustration, the component VR1 on the A1A1 PCB is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply B. a variable resistor diode to control the output to terminal 9 that controls ... terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC

Last Answer : Answer: C

A semiconductor that decreases in resistance with an increase in temperature is known as a _____________. A. resistor B. thermistor C. diode D. thermopile

Description : A semiconductor that decreases in resistance with an increase in temperature is known as a _____________. A. resistor B. thermistor C. diode D. thermopile

Last Answer : Answer: B

How many type of resistor are there in diode?

Description : How many type of resistor are there in diode?

Last Answer : Ans-They are two types one is forward resistance 1.Forward resistance 2.Reverse resistance 1.Forward resistance-This is the resistance offered in forward bias condition of the diode. It is calculated by ... in the reverse bias condition of the diode. It is also calculated by the same method.

With a 12 V supply, a silicon diode, and a 370 - ohm resistor in series, what voltage will be dropped across...

Description : With a 12 V supply, a silicon diode, and a 370 - ohm resistor in series, what voltage will be dropped across the diode? a) 0.3V b) 0.7V c) 0.9V d) 1.4V

Last Answer : 0.7V

Which of the devices listed is indicated by the electronic symbol lettered as 'A', shown in the illustration? EL-0016 A. Thyristor B. Diode C. Capacitor D. Transistor

Description : Which of the devices listed is indicated by the electronic symbol lettered as 'A', shown in the illustration? EL-0016 A. Thyristor B. Diode C. Capacitor D. Transistor

Last Answer : Answer: B

In a logic circuit the NOR and NAND gate functions ____________. A. must be accomplished with a common base transistor arrangement B. are available in diode form C. are exact opposites with the same NOR and NAND inputs D. have output conditions that are exact opposites to the output condition for OR and AND, respectively

Description : In a logic circuit the NOR and NAND gate functions ____________. A. must be accomplished with a common base transistor arrangement B. are available in diode form C. are exact opposites with the ... . have output conditions that are exact opposites to the output condition for OR and AND, respectively

Last Answer : Answer: D

Television signals are converted into light signals by------? A. Optical fiber B. Transistor C. Decoder D. Photo diode (Answer) E. None of these

Description : Television signals are converted into light signals by------? A. Optical fiber B. Transistor C. Decoder D. Photo diode (Answer) E. None of these

Last Answer : D. Photo diode (Answer)

Which is the most important building block of electronic devices? (a) Diode (b) p-n junction (c) transistor (d) rectifier

Description : Which is the most important building block of electronic devices? (a) Diode (b) p-n junction (c) transistor (d) rectifier

Last Answer : b) p-n junction

Is the (exaggerated) pursuit of pleasure ironically amplifying misery?

Description : Is the (exaggerated) pursuit of pleasure ironically amplifying misery?

Last Answer : I do often think that more actually means less. What are we here for as Human Beings - just to aquire more goods and things? To find these things at the expense of having any real freedom? We ... we dont really need. Hypnotised by adverts who persuade us that buy, buy, buy will make us happy.

The radio snorts when amplifying the sound.

Description : The radio suddenly snores when it turns to sound control. It's pretty annoying. That probably won't stop again, will it? I have such a classic twin. I may add a photo. (not mine but that radio) :-)

Last Answer : Post your photo, I don't need to see the radio ...: D There is a dusty or damaged volume control button. The first case can be solved with a contact cleaner (eg Kontox) and pierced the brush. The second ... , it's not usually a problem). Of course - wouldn't it deserve to replace the whole radio? :O

Program for amplifying MP3 songs?

Description : Don't you know of a program that amplifies MP3 songs? I have a portable MP3 player, but it plays very quietly. So it occurred to me to amplify the songs. But that quality will go dill, huh?

Last Answer : MP3 is a lossy format (at the very size), so you can say to some extent that you don't know the difference in quality. Personally, I use Audacity to edit the sound, because it's ... tool that modifies the selected files based on the specified criteria. Or maybe you could just buy better headphones.

A control system with excessive noise, is likely to suffer from (a) saturation in amplifying stages (b) loss of gain (c) vibrations (d) oscillations

Description : A control system with excessive noise, is likely to suffer from (a) saturation in amplifying stages (b) loss of gain (c) vibrations (d) oscillations

Last Answer : Ans: A

They wrote a paper describing how it was possible to use stimulated emission for amplifying light waves (laser) as well as microwaves (maser). ∙ A. Theodore Maiman ∙ B. KC Kao and GA Bockham ∙ C. Charles Townes and Arthur Schawlow ∙ D. Kapron, Keck and Maurer

Description : They wrote a paper describing how it was possible to use stimulated emission for amplifying light waves (laser) as well as microwaves (maser). ∙ A. Theodore Maiman ∙ B. KC Kao and GA Bockham ∙ C. Charles Townes and Arthur Schawlow ∙ D. Kapron, Keck and Maurer

Last Answer : C. Charles Townes and Arthur Schawlow

They wrote a paper describing how it was possible to use stimulated emission for amplifying light waves (laser) as well as microwaves (maser).

Description : They wrote a paper describing how it was possible to use stimulated emission for amplifying light waves (laser) as well as microwaves (maser).

Last Answer : Charles Townes and Arthur Schawlow

A device used to avoid the relay destroying the op-amp is A. diode B. LED C. reverse bias diode D. forward biased diode

Description :  A device used to avoid the relay destroying the op-amp is A. diode B. LED C. reverse bias diode D. forward biased diode

Last Answer : reverse bias diode

Which of the listed electrical devices is represented by the symbol shown in the illustration? EL-0055 A. Fixed resistance resistor B. Coil with magnetic core C. DC motor or generator shunt field D. Transformer

Description : Which of the listed electrical devices is represented by the symbol shown in the illustration? EL-0055 A. Fixed resistance resistor B. Coil with magnetic core C. DC motor or generator shunt field D. Transformer

Last Answer : Answer: D

Why not high resistance for earth fault than using grounding transformer & resistor 0.45 ohms?

Description : Why not high resistance for earth fault than using grounding transformer & resistor 0.45 ohms?

Last Answer : It is mechanically unwide. Difficult to manufacture.  

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.

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.

Transformer is a device to convert – (1) D.C. to A.C. (2) Low voltage D.C. into high voltage D.C. (3) Low voltage A.C. into high voltage A.C. (4) Mechanical energy into Electrical energy

Description : Transformer is a device to convert – (1) D.C. to A.C. (2) Low voltage D.C. into high voltage D.C. (3) Low voltage A.C. into high voltage A.C. (4) Mechanical energy into Electrical energy

Last Answer : (3) Low voltage A.C. into high voltage A.C. Explanation: A transformer is an electrical device that transfers energy from one circuit to another by magnetic coupling with no moving parts. It converts high volt-age AC into low voltage AC and vice-versa.

What is the name of the device used to convert alternating cur-rent into direct current? (1) Amreter (2) Galvanometer (3) Rectifier (4) Transformer

Description : What is the name of the device used to convert alternating cur-rent into direct current? (1) Amreter (2) Galvanometer (3) Rectifier (4) Transformer

Last Answer : (3) Rectifier Explanation: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification.