What is a Zener Diode ?

1 Answer

Answer :

: Zener diode is a special type of diode.

Related questions

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 Zener Voltage ?

Last Answer : pn If you keep increasing the voltage at the junction in the opposite direction, at the end of the day a huge amount of electric current is suddenly found. It seems that the potential barrier of ... for which this occurs in the case of a reversible tendency is called Zener voltage or Zener voltage .

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 : 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 : 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 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 : Write the properties of photo diode ?

Last 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.

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 photo diode ?

Last Answer : : If a junction diode is placed in a short sheath, it is called a photo 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 : How does the temperature affect the Zener voltage of a Zener diode?

Last Answer : The Zener voltage of a Zener diode is affected by temperature changes. The Zener voltage of a diode is directly proportional to the temperature. This means that as the temperature increases, the ... is given by the Zener voltage temperature coefficient, which is specified in the diode's datasheet.

Description : Explain Zener Diode.

Last Answer : A Zener diode is a type of semiconductor diode that is designed to operate in the reverse breakdown region of its characteristic curve. Unlike regular diodes, which are designed to conduct ... in surge protectors, power supplies, and other applications where precise voltage regulation is required.

Description : How depletion region get thin by increasing doping level in a zener diode?

Last Answer : Doping is a process of mixing sum impurity in a iinsulator andthen that acts like conductor...The materials which are said tobehave like this are called semi conductor . it is very often toknow ... theDepletion region remains there but it never ends....i-e depletionregion can not be removed finally

Description : For highly doped diode: a) Zener breakdown is likely to take place b) Avalanche breakdown is likely to take place c) Either (a) or (b) can take place d) Neither (a) nor (b) can take place

Last Answer : Ans: A

Description : Which of the following is used for regulated electric supply? (1) Zener diode (2) Junction diode (3) Gun diode (4) Tunnel diode

Last Answer : (1) Zener diode Explanation: The Zener diode is like a generalpurpose signal diode. When based in the forward direction it behaves just like a normal signal diode, but when a reverse voltage ... property. Many diodes described as "Zener" diodes rely instead on avalanche breakdown as the mechanism.

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

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

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

Description : In the electrical schematic, a Zener diode will be represented by which of the symbols shown in the illustration? EL-0067 A. A B. B C. C D. D

Last Answer : Answer: A

Description : You have installed a Zener diode in parallel with a load. While measuring the voltage across the Zener diode it is found that it does not change as the current through the load increases. This means that the ... is working as it should B. is shorted C. is open D. does not regulate as it should

Last Answer : Answer: A

Description : Figure 'C' shown in the illustration represents a _________. EL-0078 A. silicon controlled rectifier B. light emitting diode C. photosensitive diode D. Zener diode

Last Answer : Answer: C

Description : Figure 'D' shown in the illustration represents a _________. EL-0067 A. silicon controlled rectifier B. light emitting diode C. photosensitive diode D. Zener diode

Last Answer : Answer: B

Description : Component 'CR1' shown in the illustration is called a/an _______________. EL-0085 A. avalanche diode B. Zener diode C. breakdown diode D. all of the above

Last Answer : Answer: D

Description : The most common device used as an LNA is A. zener diode B. tunnel diode C. IMPATT D. Shockley diode

Last Answer : B. tunnel diode

Description : Explain Clipping using Zener Diode?

Last Answer : one or two zener diodes are used to clip the voltage VIN. In the first circuit, the voltage is clipped to the reverse breakdown voltage of the zener diode. In the second, it is limited to the reverse breakdown voltage plus the voltage drop across one zener diode.

Description : What Is Zener Diode? What Is Voltage Regulator?

Last Answer : The breakdown region of a p-n diode can be made very sharp and almost vertical diodes with almost vertical breakdown region are known a s zener diodes. A zener diode operating in the ... . Voltage regulator: The output remains constant despite changes in the input voltage due to zener effect.

Description : What Is Zener Diode? What Is Voltage Regulator?

Last Answer : The breakdown region of a p-n diode can be made very sharp and almost vertical diodes with almost vertical breakdown region are known a s zener diodes. A zener diode operating in the ... . Voltage regulator: The output remains constant despite changes in the input voltage due to zener effect.

Description : Hat Is Zener Diode? What Is Voltage Regulator?

Last Answer : The breakdown region of a p-n diode can be made very sharp and almost vertical diodes with almost vertical breakdown region are known a s zener diodes. A zener diode operating in the breakdown ... . It is this constant voltage that has made the zener diode an important device in voltage regulation.

Description : What is Zener Diode ? What is a voltage Regulator ?

Last Answer : The breakdown region of a p n diode can be made very sharp and almost vertical Diodes with almost vertical breakdown region are known as Zever Diodes. A Zener diodes operating in the breakdown ... VOLTAGE REGULATOR : The output remains constant despite changes in input voltage due to Zever effect.  

Description : Why is electron flow with the arrow in the symbol of a Zener diode instead of against the arrow as it is in a normal diode?

Last Answer : Because Zener diodes are operated in the reverse bias mode.

Description : What is the doping level of an avalanche effect diode when compared to the doping level of a Zener-effect diode?

Last Answer : The doping level of an avalanche effect diode is lower.

Description : What is a zener diode?

Last Answer : A zener diode is a special kind of diode which allows current to flow in the forward direction in the same manner as an ideal diode, but will also permit it to flow in the reverse direction when ... is above a certain value known as the breakdown voltage, "zener knee voltage" or "zener voltage."

Description : A circuit which develops voltage across the horizontal deflection plates is known as a) Time base generator b) Electron gun c) Thermionic diode d) Zener diode

Last Answer : a) Time base generator

Description : Explain Zener diode as voltage regulator. 

Last Answer : Zener Diodes can be used to produce a stabilised voltage output with low ripple under varying load current conditions. By passing a small current through the diode from a voltage source, via a ... across the load in spite of variations in the input voltage or changes in the load current. 

Description : List four specifications of zener diode or P- N junction diode.

Last Answer : Specifications of zener diode: 1. Zener voltage 2. Power dissipation 3. Maximum power dissipation PD(max) 4. Breakdown current 5. Dynamic resistance 6. Maximum reverse current. (OR) ... Reverse saturation current 5. Power dissipation 6. Junction temperature 7. Peak inverse voltage (PIV)

Description : Write two applications of P-N junction diode and zener diode. 

Last Answer : Application of P-N junction diode: Used in rectifier circuit Used in clipping and clamping circuit. Used for A.M detection Used for voltage multiplier. Application of Zener diode: It is ... . Used in protection circuits for MOSFET. Used in pulse amplifier. Used in clipping circuits.

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

Description : Compare P-N junction and Zener Diode.

Last Answer : P-N junction Zener Diode It conducts in only in one direction.  It conducts in both the directions. It is always operated in forward bias condition. It is always operated in ... . It cannot be used for rectification, but commonly used for voltage regulation

Description : Draw and describe the VI characteristics of zener diode

Last Answer : A zener diode is operated only in the reverse-bias region. (generally written as VR) is increased, the reverse current (usually called zener current, IZ) remains negligibly small up to ... out of the breakdown region, when the applied reverse voltage is reduced below the breakdown voltage.  

Description : Which of the following is used for regulated electric supply ? (1) Zener diode (2) Junction diode (3) Gun diode (4) Tunnel diode

Last Answer : Zener diode

Description : Give the speciality of zener diode. State its 2-3 applications

Last Answer : Speciality - This diode can keep breakdown voltage constant across it. It is used in reverse bias. Applications - Zener diodes voltage regulation as reference elements surge suppressors switching applications clipper circuits.

Description : Draw symbols of zener diode and LED.

Last Answer : Symbol of zener diode : Symbol of LED

Description : State any two applications of zener diode.

Last Answer : Applications of Zener Diode: i) As a voltage regulator. ii) As a fixed reference voltage provider in transistor biasing circuits. iii) As peak clippers or limiters in wave shaping circuits.

Description : List specification of zener diode

Last Answer : 1. Zener Voltage 2. Maximum Zener current 3. Power dissipation 4. Operating temperature 5. Dynamic Resistance 

Description : Explain with circuit diagram operation of zener diode as a voltage regulator.

Last Answer : The function of a regulator is to provide a constant output voltage to a load connected in parallel with it in spite of the ripples in the supply voltage or the variation in the load ... V0 = VZ is obtained across RL, whenever the input voltage remains within a minimum and maximum voltage.

Description : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω  

Last Answer : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω  

Description : When biased correctly, a zener diode:

Last Answer : When biased correctly, a zener diode: Has a constant voltage across it

Description : The reverse breakdown phenomenon in a zener diode is known as

Last Answer : The reverse breakdown phenomenon in a zener diode is known as Avalanche effect

Description : Which stage is of a d.c. power supply uses zener diode  1. Rectifier 2. Voltage divider 3. Filter 4. Regulator 

Last Answer : Rectifier