What semiconductor device produces electrical energy when exposed to light?

What semiconductor device produces electrical energy  when exposed to light?
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1 Answer

Answer :

Photovoltaic cell.
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Related questions

The domain in a gallium-arsenide semiconductor has what type of electrical field when compared to the other regions across the body of a semiconductor?

Description : The domain in a gallium-arsenide semiconductor has what type of electrical field when compared to the other regions across the body of a semiconductor?

Last Answer : A field of much greater intensity.

What is the name given to the semiconductor device that has three or more elements?

Description : What is the name given to the semiconductor device that has three or more elements?

Last Answer : Transistor

Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?

Description : Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?

Last Answer : LDs.

Semiconductor LEDs emit incoherent light. Define incoherent light

Description : Semiconductor LEDs emit incoherent light. Define incoherent light

Last Answer : Light waves that lack a fixed-phase relationship

What is a nonrotating device that produces alternating current?

Description : What is a nonrotating device that produces alternating current?

Last Answer : Oscillator.

A thermocouple is a device that produces voltage by what method?

Description : A thermocouple is a device that produces voltage by what method?

Last Answer : Heat.

What happens to the electrons of a gallium-arsenide semiconductor when they move from the normal low-energy conduction band to the high-energy conduction band?

Description : What happens to the electrons of a gallium-arsenide semiconductor when they move from the normal low-energy conduction band to the high-energy conduction band?

Last Answer : The electrons become immobile.

A step transmitter is a modification of what electrical device?

Description : A step transmitter is a modification of what electrical device?

Last Answer : Rotary switch.

What does the letter "N" indicate in the semiconductor identification system?

Description : What does the letter "N" indicate in the semiconductor identification system?

Last Answer : A semiconductor.

What type of rectifier is constructed by sandwiching a section of semiconductor material between two metal plates?

Description : What type of rectifier is constructed by sandwiching a section of semiconductor material between two metal plates?

Last Answer : Metallic rectifier.

Conduction in which type of semiconductor material is similar to conduction in a copper wire?

Description : Conduction in which type of semiconductor material is similar to conduction in a copper wire?

Last Answer : N-type material.

What are the majority carriers in a P-type semiconductor?

Description : What are the majority carriers in a P-type semiconductor?

Last Answer : Holes.

What type of PN diode is formed by using a fine metal wire and a section of N-type semiconductor material?

Description : What type of PN diode is formed by using a fine metal wire and a section of N-type semiconductor material?

Last Answer : Point-contact.

What are the majority carriers in an N-type semiconductor?

Description : What are the majority carriers in an N-type semiconductor?

Last Answer : Electrons.

What is the name given to a piece of pure semiconductor material that has an equal number of electrons and holes?

Description : What is the name given to a piece of pure semiconductor material that has an equal number of electrons and holes?

Last Answer : Intrinsic.

Name the two types of current flow in a semiconductor.

Description : Name the two types of current flow in a semiconductor.

Last Answer : Electron flow and hole flow.

State one requirement of an electron tube, which does not exist for semiconductors, that makes the tube less efficient than the semiconductor.

Description : State one requirement of an electron tube, which does not exist for semiconductors, that makes the tube less efficient than the semiconductor.

Last Answer : The electron tube requires filament or heater voltage, whereas the semiconductor device does not; consequently, no power input is spent by the semiconductor for conduction.

What is lowest current at which stimulated emission exceeds spontaneous emission in a semiconductor laser called?

Description : What is lowest current at which stimulated emission exceeds spontaneous emission in a semiconductor laser called?

Last Answer : Threshold current.

What are the two most common semiconductor materials used in electronic and electro-optic devices?

Description : What are the two most common semiconductor materials used in electronic and electro-optic devices?

Last Answer : Silicon and gallium arsenide.

What are the four most common materials used in semiconductor detector fabrication?

Description : What are the four most common materials used in semiconductor detector fabrication?

Last Answer : Silicon, gallium arsenide, germanium, and indium phosphide.

What characteristic of a gunn oscillator is inversely proportional to the transit time of the domain across the semiconductor?

Description : What characteristic of a gunn oscillator is inversely proportional to the transit time of the domain across the semiconductor?

Last Answer : The frequency.

The point on the current curve of a gallium-arsenide semiconductor at which it begins to exhibit negative resistance is called what?

Description : The point on the current curve of a gallium-arsenide semiconductor at which it begins to exhibit negative resistance is called what?

Last Answer : Threshold.

What is another name for semiconductor memory chips?

Description : What is another name for semiconductor memory chips?

Last Answer : Integrated circuits.

A semiconductor memory consists of what?

Description : A semiconductor memory consists of what?

Last Answer : hundreds of thousands of tiny electronic circuits etched on a silicon chip

What characteristic of a transistor is varied in a semiconductor-reactance modulator?

Description : What characteristic of a transistor is varied in a semiconductor-reactance modulator?

Last Answer : Collector-to-emitter capacitance.

Which device converts light energy into electrical energy?

Description : Which device converts light energy into electrical energy?

Last Answer : Photovoltaic  cell  which are dides  .

What do you call the electrical conduction in a photosensitive material which is not exposed to radiation? A. Dark conductance B. Pure conductance C. Black out D. Super conductance

Description : What do you call the electrical conduction in a photosensitive material which is not exposed to radiation? A. Dark conductance B. Pure conductance C. Black out D. Super conductance

Last Answer : A. Dark conductance

ECE Board Exam March 1996 The potential difference between any exposed structured to ground in any electrical installation should not exceed _________ volts RMS. A. 10 B. 45 C. 0 D. 30

Description : ECE Board Exam March 1996 The potential difference between any exposed structured to ground in any electrical installation should not exceed _________ volts RMS. A. 10 B. 45 C. 0 D. 30

Last Answer : B. 45

What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences? a) Unshielded twisted pair b) Optical fiber c) Coaxial cable d) Microwave

Description : What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences? a) Unshielded twisted pair b) Optical fiber c) Coaxial cable d) Microwave

Last Answer : b) Optical fiber

What kind of item would be considered an electrical semiconductor?

Description : What kind of item would be considered an electrical semiconductor?

Last Answer : Batteries that charge up if sun light hits them. Also, reusable batteries, that you charge up when their power is gone.

If electrical conductivity increases with the increase of temperature of a substance, then it is a: (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator

Description : If electrical conductivity increases with the increase of temperature of a substance, then it is a: (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator

Last Answer : (2) Semiconductor Explanation: A solid substance that has conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects

If electrical conductivity increases with the increase of temperature of a substance, then it is a (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator

Description : If electrical conductivity increases with the increase of temperature of a substance, then it is a (1) Conductor (2) Semiconductor (3) Insulator (4) Carborator

Last Answer : (2) Semiconductor Explanation: A solid substance that has conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects.

A 'dielectric' is a/an ________________. A. electrical insulator B. current flow C. good conductor D. semiconductor material

Description : A 'dielectric' is a/an ________________. A. electrical insulator B. current flow C. good conductor D. semiconductor material

Last Answer : Answer: A

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

The electrical conductivity of a semiconductor increases with increase in temperature because

Description : The electrical conductivity of a semiconductor increases with increase in temperature because (a) the carrier concentration increases (b) the mobility of carrier increases (c) both carrier concentration and mobility increase (d) the band gap decreases

Last Answer : The electrical conductivity of a semiconductor increases with increase in temperature because the carrier concentration increases

A modern power semiconductor device IGBT is combines the characteristics of a) BJT and MOSFET b) FCT and GTO c) SCR and MOSFET d) SCR and BJT

Description : A modern power semiconductor device IGBT is combines the characteristics of a) BJT and MOSFET b) FCT and GTO c) SCR and MOSFET d) SCR and BJT

Last Answer : Ans: BJT and MOSFET

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

fabrication of semiconductor device and describe its need.

Description : State any four materials used in fabrication of semiconductor device and describe its need.

Last Answer : For fabrication of semiconductor devices like transistors diode, solar cell etc. we have to make use of following types of materials  1. Substrate: o It is used for deposition of thin ... . o Metal cans and sealed glass containers satisfy the extreme requirements of space and military users.

Power Semiconductor device - history

Description : Power Semiconductor device - history

Last Answer : Power electronics and converters utilizing them made a head start when the first device the Silicon Controlled Rectifier was proposed by Bell Labs and commercially produced by General Electric in ... IIT, Kharagpur  Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA.

A snubber circuit is connected to the power semiconductor device to reduce the

Description : A snubber circuit is connected to the power semiconductor device to reduce the (A) turn-on time (B) turn-off time (C) electrical stresses (D) thermal resistance

Last Answer : A snubber circuit is connected to the power semiconductor device to reduce the electrical stresses

A semiconductor device made out of a material having very high temperature coefficient of resistance is

Description : A semiconductor device made out of a material having very high temperature coefficient of resistance is

Last Answer : A semiconductor device made out of a material having very high temperature coefficient of resistance is Thermistor

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

Generators convert mechanical motion to electrical energy using what principle?

Description : Generators convert mechanical motion to electrical energy using what principle?

Last Answer : Magnetic induction

What is a machine that produces electrical energy by turning coils of wire around powerful magnets?

Description : What is a machine that produces electrical energy by turning coils of wire around powerful magnets?

Last Answer : Need answer

An iris placed along the "b" dimension wall produces what kind of reactance?

Description : An iris placed along the "b" dimension wall produces what kind of reactance?

Last Answer : Inductive.

A cavity that vibrates at its natural frequency produces a louder sound than at other frequencies. What term is used to describe this phenomenon?

Description : A cavity that vibrates at its natural frequency produces a louder sound than at other frequencies. What term is used to describe this phenomenon?

Last Answer : Resonance.

What receiver circuit actually produces the IF frequency?

Description : What receiver circuit actually produces the IF frequency?

Last Answer : Mixer.

Which component of the receiver produces the signal that is mixed with the received signal to produce the IF signal?

Description : Which component of the receiver produces the signal that is mixed with the received signal to produce the IF signal?

Last Answer : Local oscillator.

Which of the basic timing circuits produces sharp trigger pulses directly?

Description : Which of the basic timing circuits produces sharp trigger pulses directly?

Last Answer : Blocking oscillators.