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What is zener diode?
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Sep 18, 2017
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anonymous
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Oct 16, 2017
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anonymous
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asked
May 13, 2018
by
anonymous
Which stage is of a d.c. power supply uses zener diode
Which stage is of a d.c. power supply uses zener diode 1. Rectifier 2. Voltage divider 3. Filter 4. Regulator
Last answer:
Rectifier
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asked
Apr 14, 2018
by
anonymous
A 6V zener diode is used to provide voltage regulation with a series resistance of 100 Ohms and supply..
A 6V zener diode is used to provide voltage regulation with a series resistance of 100 Ohms and supply voltage is 12V. When under no load the power dissipated in the zener diode is (a) 60mW (b) 36mW (c) 360mW (d) 3600mW
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Apr 12, 2018
by
anonymous
Zener diode is used in _______.
Zener diode is used in _______. A. Regulated power supplies B. Power generators C. Sensor D. All of these
Last answer:
Zener diode is used in Regulated power supplies.
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asked
Sep 5, 2018
by
anonymous
State any two applications of zener diode.
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.
applications
zener
diode
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asked
Sep 5, 2018
by
anonymous
List specification of zener diode
List specification of zener diode
Last answer:
1. Zener Voltage 2. Maximum Zener current 3. Power dissipation 4. Operating temperature 5. Dynamic Resistance
list
specification
zener
diode
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asked
Sep 2, 2018
by
anonymous
Explain with circuit diagram operation of zener diode as a voltage regulator.
Explain with circuit diagram operation of zener diode as a voltage regulator.
Last answer:
Zener diode as voltage regulator: 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 ... across the load in spite of variations in the input voltage or changes in the load current.
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May 22, 2018
by
anonymous
When biased correctly, a zener diode:
When biased correctly, a zener diode:
Last answer:
When biased correctly, a zener diode: Has a constant voltage across it
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asked
Apr 1, 2018
by
anonymous
A zener diode works on the principle of
Last answer:
A zener diode works on the principle of Tunneling of charge carriers across the junction.
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asked
Jan 20
by
anonymous
Which of the following is used for regulated electric supply ? (1) Zener diode (2) Junction diode (3) Gun diode (4) Tunnel diode
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
physics
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asked
Nov 18, 2019
by
vaibhavsslko
Why is there a difference in the resistors connected to the zener diode ?
zener
diode
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asked
May 14, 2018
by
anonymous
The reverse breakdown phenomenon in a zener diode is known as
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
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asked
Mar 29, 2018
by
anonymous
A Zener diode is operated in the - - - -region
Last answer:
A Zener diode is operated in the Breakdown Region
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asked
Mar 28, 2018
by
anonymous
A Zener diode is operated in the …… mode as a voltage stabiliser.
Last answer:
A Zener diode is operated in the Reverse bias around the knee of breakdown region mode as a voltage stabilizer.
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asked
Sep 13, 2017
by
anonymous
why is zener diode heavily doped?
Last answer:
PN junction of zener diode is heavily doped than ordinary diode. For the occurrence of Zener effect the zener diode is heavily doped. If the zener diode is not heavily doped then Zener effect ... breakdown voltage is sharp. If the diode is lightly doped the diode will have higher breakdown voltage.
zener
diode
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asked
May 26, 2020
by
anonymous
Give the speciality of zener diode. State its 2-3 applications
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.
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asked
May 16, 2020
by
anonymous
Draw symbols of zener diode and LED.
Draw symbols of zener diode and LED.
Last answer:
Symbol of zener diode : Symbol of LED
symbols
zener
diode
led
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asked
Jun 18, 2018
by
anonymous
A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current
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
zener
voltage
regulator
load
diode
minimum
current
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asked
May 25, 2018
by
anonymous
A Zener diode has a break down voltage of 9V and maximum power dissipation of 360 mW. The maximum
A Zener diode has a break down voltage of 9V and maximum power dissipation of 360 mW. The maximum current the diode can handle is (a) 20 mA (b) 30 mA (c) 35 mA (d) 40 mA
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asked
Mar 15, 2018
by
anonymous
How can you identify a zener diode?
How can you identify a zener diode?
Last answer:
It conducts current in either direction.
identify
zener
diode
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asked
Jan 17, 2018
by
Rahulborse1007
Applications of zener diode
Last answer:
Applications of zener diode are : Zener diode can be use for voltage regulator. Zener diode can be use for clippers or limiters. Zener diode can be use for overvoltage protection. Zener ... reference. Zener diode can be use as transistor regulator. These are some applications of zener diode.
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asked
Dec 9, 2017
by
anonymous
Can we use a zener diode as a rectifier?
Can we use a zener diode as a rectifier?
Last answer:
Yes we can use zener diode as rectifier but it have limitations better to use normal diode. Zener diode have some different applications.
zener
diode
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asked
Sep 13, 2017
by
anonymous
does dynamic impedance zener diode vary?
Last answer:
Yes dynamic impedance of zener diode vary.
diode
zener
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asked
Sep 13, 2017
by
anonymous
does zener diode regulate voltage?
Last answer:
Yes, Zener diode is a voltage regulator. Zener diode maintain constant reverse Biased Voltage. If the current is varying then also zener diode maintain constant voltage.
zener
diode
voltage
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asked
Sep 13, 2017
by
anonymous
can zener diode be used in forward bias?
Last answer:
Yes it can be, and it will act like a normal PN junction diode. The characteristic of ZENER diode is exactly same as PN junction diode in forward Bias.
zener
diode
forward
bias
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asked
Feb 9, 2019
by
Kumar Sanjeev
What is diode Explain their v-i characteristics
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asked
Dec 28, 2017
by
anonymous
what is the minimum voltage required to turn on a diode ?
what is the minimum voltage required to turn on a diode ?
Last answer:
0.7 v sil and 0.3 v for gr
minimum
voltage
turn
on
diode
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asked
Dec 25, 2017
by
anonymous
what is diode ?
what is diode ?
Last answer:
Semiconductor device. That allows flow of current in one direction
diode
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asked
Aug 19, 2019
by
anonymous
Explain zener breakdown and avalanche breakdown.
Explain zener breakdown and avalanche breakdown.
Last answer:
The Zener Breakdown and Avalanche Breakdown are two different mechanisms by which a PN junction breaks. The Zener and Avalanche breakdown both occur in diode under reverse bias. The avalanche breakdown ... in the PN junction and causes breakdown. The process is known as the Avalanche breakdown.
zener
breakdown
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asked
Apr 21, 2019
by
patrick
what is a diode
if you got you will receive some cash
Last answer:
A diode is an electronic device which permits one directional flow of electric current.
diagram
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asked
Sep 24, 2018
by
anonymous
What is diode?explain with diagram
diode
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0
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asked
Mar 22, 2018
by
anonymous
What is a diode clamper circuit?
What is a diode clamper circuit?
Last answer:
Tha faction of diode
diode
clamper
circuit
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1
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asked
Mar 22, 2018
by
anonymous
What is the use of diode in the circuit?
What is the use of diode in the circuit?
Last answer:
Diode is a device which allows the flow of current in one direction and blocks the current in opposite direction.
use
diode
circuit
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1
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asked
Jan 22, 2018
by
anonymous
What is the Q point of a diode?
Last answer:
It is an operating point of transistor.which gives the information of transistor In which region is working
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asked
Jan 5, 2018
by
anonymous
What is the depletion region of a diode?
What is the depletion region of a diode?
Last answer:
During the fussion In diode the some hole and electrons from both side created one layer at middle Its width increase when diode is in reverse bias conditions And decreased in.forward bias conditions.
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asked
Dec 9, 2017
by
anonymous
What is the use of Schottky diode?
What is the use of Schottky diode?
Last answer:
Schottky diode are use in SMPS, Sample and hold circuits and voltage clamping etc.
use
schottky
diode
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1
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asked
Dec 9, 2017
by
anonymous
What is the use of laser diode?
What is the use of laser diode?
Last answer:
laser diodes are use in telecommunication, rangefinders, barcode readers etc.
use
laser
diode
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1
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asked
Dec 9, 2017
by
anonymous
What is the use of fast recovery diode?
What is the use of fast recovery diode?
Last answer:
Fast recovery diode are used in high frequency rectification. Fast recovery diode also used for freewheeling. Fast recovery diode also used for DC to DC converter.
use
fast
recovery
diode
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1
answer
asked
Dec 9, 2017
by
anonymous
What is the use of Tunnel diode ?
What is the use of Tunnel diode ?
Last answer:
Tunnel diode is use in frequency converters and detectors, ultra high speed switching, amplifiers, etc.
tunnel
diode
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1
answer
asked
Sep 27, 2017
by
anonymous
what is the leakage current of diode?
Last answer:
In Reverse bias of diode when the cathode is connected to positive and anode is connected to negative very small current flows this very small current is known as leakage current of diode.
leakage
current
diode
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asked
Aug 7, 2017
by
anonymous
What is diode?
What is diode?
Last answer:
Diode (1) a two-terminal device that permits the flow of electric current in only one direction. Diodes are most often constructed by abutting n-type and p-type regions of a semiconductor, ... power applications (rectifier diodes). (2) a two terminal device that conducts in only one direction.
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2
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asked
Jul 1, 2020
by
anonymous
What are the applications of diode ?
What are the applications of diode ?
Last answer:
1) Rectifier : - It is an electronics device used to convert AC to DC signal. The rectifier output is pulsating in nature their can be two types of rectifier. a) Half wave rectifier b) Full wave ... FWR are of two types : i) center tapped full wave rectifier ii) bridge type full wave rectifier
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1
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asked
Apr 14, 2018
by
anonymous
With a 12 V supply, a silicon diode, and a 370 - ohm resistor in series, what voltage will be dropped across...
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
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323
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2
answers
asked
Dec 9, 2017
by
anonymous
What would cause a diode to fail?
What would cause a diode to fail?
Last answer:
Supply voltage beyond its limit
diode
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asked
Dec 9, 2017
by
anonymous
What does a Shockley diode do?
What does a Shockley diode do?
Last answer:
It is diode have low forward voltage drop and very high switching action
shockley
diode
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asked
Sep 13, 2017
by
anonymous
what does schottky diode do?
Last answer:
It is semiconductor diode with a low forward voltage drop and very high switching action
schottkey
diode
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answer
asked
Dec 9, 2017
by
anonymous
Do Zener diodes have polarity?
Do Zener diodes have polarity?
Last answer:
Yes, Zener diode have polarity Anode(+) and Cathode (-). And Zener Diode are connected into circuit with their cathode as positive terminal because they operate in reverse bias mode.
zener
diodes
polarity
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2
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asked
Sep 2, 2018
by
anonymous
‘Germanium diode knee voltage is lower than silicon diode knee voltage.' Justify.
‘Germanium diode knee voltage is lower than silicon diode knee voltage.' Justify.
Last answer:
Justification: The band gap between conduction and valence band for Germanium (0.66eV) is less as compared to Silicon (1.11eV).Hence less energy is required to start conduction in Germanium diode.
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asked
Apr 14, 2018
by
anonymous
IN TTL Ics the protective diode is used to limit the
IN TTL Ics the protective diode is used to limit the (a) positive excursion to 0.7V (b) negative excursion to -0.7V (c) positive excursion to 0.3 V (d) negative excursion to -0.3 V
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asked
Apr 14, 2018
by
anonymous
In a clipper circuit with silicon diode and bias of V volts, the clipping level is
In a clipper circuit with silicon diode and bias of V volts, the clipping level is (a) 0.7 V (c) V (b) V + 0.7 (d) 2V + 0.7
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asked
Oct 19, 2019
by
anonymous
Diode VI characteristics
Diode VI characteristics
Last answer:
Diode VI characteristics
diode
vi
characteristics
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