Write the properties of photo diode ?

1 Answer

Answer :

: Features of photo diode ( i) It works based on Ala. ( ii) When the temperature is high, the resistance decreases , resulting in more current flowing. ( iii) When the light is low, the resistance increases , so the current flows less.

Related questions

Description : Write using photo diode ?

Last Answer : : Use of photo diode (a) to operate the relay circuit , ( b) to read the punch card of the computer fast , ( c) to automatically control the angle system , ( d) to determine the number ... , ( F) are used for controlling photoelectric resistors , ( g) are used for voltage and heat control systems.

Description : What is a photo diode ?

Last Answer : : If a junction diode is placed in a short sheath, it is called a photo diode.

Description : Write the use of diode ?

Last Answer : : Use of diode The use of diode is given below: (a) Acts as rectifier. (B) Acts as a dimulator or detector. (C) Acts as a switch. (D) Used in wave shaping circuits.

Description : Write the use of ginner diode ?

Last Answer : : Ginner diodes are used in the following places: (a) for DC voltage stabilizer and regulation. (B) To limit the amplitude of AC voltage. (C) Analog circuits. (D) Used in power circuits and ... diode is used in clippers circuit. (G) Ginner diodes are used in clipper clamper and protector circuits.

Description : Write the properties of LED ?

Last Answer : LED features ( i) Fast on-off switching. ( ii) It is longevity. ( iii) Voltage consumption is low. ( iv) Gallium arsenide is used to obtain infrared algae.

Description : What are the characteristics of a diode ?

Last Answer : : Properties of diodes A typical diode has the following characteristics. Namely - 1. Displays zero resistance in the forward bias. 2. Shows infinite resistance in reverse bias. 3. There are two stable on and off states.

Description : What is a diode ?

Last Answer : A diode is a combination of two words , ' die' and 'electrode', so we can simply say that the two electrodes are electronics components. The diode has two circuits, one anode and ... anode is usually called positive or forward base terminal and the cathode is called negative reverse base terminal.

Description : What is a Zener Diode ?

Last Answer : : Zener diode is a special type of diode.

Description : What is Shakli Diode ?

Last Answer : The diode in which current flows through the main charge carrier is called shakli diode.

Description : What is a vacuum diode ? What is a vacuum diode ?

Last Answer : A vacuum tube with two electrodes is called a vacuum diode.

Description : What are the properties of electrically conductive matter ?

Last Answer : Characteristics are 1) High electrical conductivity 2) High tensile strength 3) Must be cheap in price 4) Should not be brittle.

Description : What is meant by static properties ?

Last Answer : : When the voltages applied to different electrodes of the triode are insufficient or DC and no load resistance is included in the plate circuit and there is no signal at the input , it is called.

Description : Write different font names or different short circuit font names ?

Last Answer : There are two main types of short circuit faults. Namely- 1. Semantic faults and 2. Asymmetrical font Symmetrical fault - a) Short circuit three phases together b) Short circuit asymmetrical fault with three ... result c) Double line to ground font d) Two phase one Circuit and third phase earth.

Description : Write the limitations of Kelvin's formula ?

Last Answer : As sometimes the cross section of the wire is so low that the regulation increases as the voltage drop increases . Increases , interest and waste change as space and time change.

Description : Write Kelvin's formula ?

Last Answer : In the case of energy transport , the cross-section of the lowest cost line conductor will occur only when the annual waste and interest cost is equal to the annual waste cost .

Description : Write the formula from Star to Delta ?

Last Answer : Answer : Dividing the product of the resistors connected to the star by dividing the resistors of the opposite arm by taking two together, the quotient is equal to the value of each resistor connected.

Description : Write the maximum power transfer theorem ?

Last Answer : The maximum power transfer from a DC source to a resistive load will occur only when the internal resistance is equal to the series resistance connected to the load resistance source .

Description : Write the Thebin Theorem ?

Last Answer : The current of a load resistance connected to two points of a complex network consisting of multiple sources of EMF and resistance will be the same if the load is connected to a single fixed source of EMF .

Description : Write the formula for inductive reaction ?

Last Answer : Formula for inductive reactance: XL = 2τƒL . It depends on the frequency and inductance of the coil. Since the inductance of a coil is constant, its inductive reactance changes at a rate proportional to the change in frequency.

Description : Write the types of modulation and demodulation ?

Last Answer : There are three main types of modulation. Namely: (a) Amplitude modulation: The modulation in which the amplitude of the carrier signal changes according to the modulating frequency is called ... the carrier signal changes according to the modulating frequency is called phase modulation.

Description : Write the use of LED ?

Last Answer : The use of LEDs is highlighted below: (a) For digital display on decaed instruments. (B) In digital watch. (C) On the computer. (D) In all the techniques in which invisible light is used. ... in image sensing circuit. (G) LED is used in silica fiber optical cable in optical communication circuit .

Description : Write the use of UPS ?

Last Answer : UPS is used to provide uninterrupted power supply to computer , medical equipment, and electrical devices, and to protect the device from voltage regulation , overvoltage , and undervoltage .

Description : Write speaker usage ?

Last Answer : The speaker is used in the following cases. Namely: (a) Used to convert amplified electrical energy into human audible sound energy. (B) For the production of sound waves in radio and ... sound in public address system , tape recorder , computer amplifier. (D) Used in telecommunication equipment.

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)

Description : A device based on photo electric effect is called a) Photo sensitive b) Photo diode c) Photo synthesis d) Photo cell

Last Answer : d) Photo cell

Description : Photo diode operates in the _______ condition (a) Forward bias (b) null (c) both a & d (d) reverse bias

Last Answer : (d) reverse bias

Description : List any two applications of photo diode and IRLED 

Last Answer : Photodiode 1. In the cameras for sensing the light intensity. 2. In CD players. 3. In the fiber optic receiver. 4. As photo (light) detector. 5. In light intensity meters. 6. In the ... shaft encoders 4. As a light source in optical fiber system 5. In the burglar alarm system.

Description : Compare LED and Photo diode 

Last Answer : Parameters LED (Light Emitting Diode) Photodiode Definition Two terminal device which converts electrical energy into light energy.  Two Terminal Device which converts light energy into ... and Numeric display etc. Switching, high speed counting, ac coupled signaling etc.

Description : State applications each of photo-diode and 7-segment display.

Last Answer : Applications of photo-diode:- 1) In cameras 2) In fiber optic receiver 3) in object counting system  Applications of 7-segmet display 1) In calculators 2) In Wrist watches

Description : State working principle of photo diode. List out its three applications.

Last Answer : Diagram of photo diode :  Working principle of photo diode :  When photons of energy greater than 1.1 eV hit the diode, electron-hole pairs are created. The ... Smoke detector, Optical communication devices, Position sensors, Bar code scanners, Automotive devices, Surveying instruments

Description : What is the conductivity of molar ?

Last Answer : The density of a solution as cm. When one mole of electrolytic substance is dissolved in it, the conductivity obtained by multiplying it by the relative conductivity of the solution is called molecular conductivity of the solution .

Description : How do I purchase a product ?

Last Answer : From Alibaba you can purchase products by paying MASTER CARD or through bank.

Description : What is an analog signal ?

Last Answer : Signals whose values ​​change continuously are called analog signals. For example- voltage of electricity supplied to the house.

Description : What is Zener Diod ?

Last Answer : Zener diode is a special type of diode which, like ordinary diode, not only conducts current in the forward direction , but also in the opposite direction if the voltage exceeds the level of breakdown ... diode is to use the shunt regulator and the voltage reference as the voltage of the circuit.

Description : What is the multiplying factor of shunt ?

Last Answer : Answer : The ratio of load or matte current to ammeter current is called shunt multiplying power.

Description : What is ammeter shunt ?

Last Answer : A small amount of radial coupling in parallel with the coil to increase the range of ammeter is called ammeter shunt.

Description : What is short circuit current ?

Last Answer : Answer : A fault in an electrical system whose current, before or after the current flows through the load, is combined with one or more phases of neutral current which causes more current to flow than normal. The current is called short circuit current.

Description : What is a current limiting reactor ? How many types and what are they ?

Last Answer : Answer : A current limiting reactor is basically an inductive coil which limits the short circuit current by providing inductive reactance when required. Types: 1. Based on the structure- a) Dry type ... reactor. Basbar reactors are again of 2 types- a) Ring system reactor b) Tiber system reactor

Description : What is the method of diagnosing short circuit current ?

Last Answer : There are three methods for determining short circuit current , namely- 1) Ohmic method 2) Per unit method 3.) Percentage reactance method.

Description : What are symmetrical and asymmetrical faults ?

Last Answer : Symmetrical Fault: The same amount in each phase due to the float in the electrical system. The fault that causes hot current to flow is called semantic fault. Circuit breaker ratings are determined by ... through each fan is called an asymmetrical fault. The relay is set via asymmetrical font.

Description : What is Basbar and Bas Kaplar ?

Last Answer : Basbar : Basbar is basically a sheet or color of copper or aluminum. It is the job of the bus driver to deliver power to one or more lads with power from one or more cables. Bus ... is basically a combination of circuit breaker and isolator. There are fire proof walls around the bus coupler.

Description : Why is the busbar sectionalized ?

Last Answer : Answer : If an error occurs in any part of the busbar, the operation of the entire busbar system will not stop. The maximum success of this system is due to the interconnection of different sections of the circuit and the smooth distribution in the outgoing circuit.

Description : title : _

Last Answer : Basbar is a type of copper and aluminum conductive sheet or mata rod , which collects electrical energy from one or more circuits and distributes that energy through one or more circuits.

Description : What is Electrical Fault ? What is the cause of the fault ?

Last Answer : Answer : Fault: When two or more conductors come in contact with each other while operating at normal voltage difference, the result is said to be organized. Causes of Fault: Faults are organized due to ... loss of line c) Lightning charge d) Voltage drop e) Loss of unbalance and stability etc.

Description : What features should a switchgear have ?

Last Answer : Switchgear should have the following characteristics- a) Sensitivity b) Detection ability c) Reliability d) High speed e) Durability. F) Expansion advantage g) Simplicity.

Description : What are the components of switch gear ?

Last Answer : The components of switch gear are: circuit breaker , relay , instrument transformer , housing , conductor etc.

Description : What do you mean by switchgear ?

Last Answer : Answer : Switch gear does not mean a single corner object. It refers to the position of the electromagnetic system, including the connective , isolating , and maintenance equipment of normal activity .

Description : What is an Earth Electrode ?

Last Answer : Puta metal part in the soil which connects to the soil is called earth electrode. Thank you all for today's electrical questions and answers.

Description : What is Earthing Lead ?

Last Answer : The wire that connects the earth continuity wire and the earth electrode is called the earthing lead.

Description : What earthing is done in hilly areas ?

Last Answer : Sheet earthing is done in hilly areas. Shit electrodes are placed by digging trenches on the slopes of the hill.