The leakage current of PN junction is caused by?
Last Answer : The leakage current of PN junction is caused by heat energy.
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352 views
1 answer
asked
Mar 19, 2018
by
anonymous

Leakage current flows through the thyristor in
Last Answer : Leakage current flows through the thyristor in Forward blocking mode and Reverse blocking mode.
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211 views
1 answer
asked
May 8, 2018
by
anonymous

The leakage current in a pn junction is of the order of
Last Answer : The leakage current in a pn junction is of the order of µA.
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684 views
1 answer
asked
Mar 29, 2018
by
anonymous
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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
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2.7k views
1 answer
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Jun 18, 2018
by
anonymous

How To Prevent Leakage In Radiators ?
Last Answer : How To Prevent Leakage In Radiators How To Prevent Leakage In Radiators Pinholes can develop in radiators that lead to leakage. The cause is usually corrosion due to excessive air or mud that might have ... leakage. Raw egg or black pepper can also be put in the radiator to stop the leakage.
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10 views
1 answer
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May 9, 2021
by
anonymous

Why does leakage occur in a magnetic circuit?
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121 views
0 answers
asked
May 5, 2020
by
anonymous

Define leakage factor.
Last Answer : It is the ratio of total flux to leakage flux.
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58 views
1 answer
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May 5, 2020
by
anonymous

what is earth leakage?
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0 answers

State function of starter and ELCB. (Earth Leakage Circuit Breaker)
Last Answer : i) Function of Starter:- 1. To prevent the high starting current OR to minimize the starting current. 2. To give supply failure protection 3. To give over load and short circuit protection ... an installation and cut off the circuit from power supply and avoid electrical shock to the person.
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460 views
1 answer
asked
Sep 18, 2018
by
anonymous

Describe the concept of leakage flux, useful flux and fringing with neat diagram.
Last Answer : Leakage Flux
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1.2k views
2 answers
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Sep 4, 2018
by
anonymous

Define useful flux, leakage flux and fringing.
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128 views
0 answers
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Aug 8, 2018
by
anonymous

Explain the leakage flux and its effect with the help of neat diagram.
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230 views
0 answers
asked
Aug 8, 2018
by
anonymous

Suggest the diode material suitable to rectify 0.5V AC signal.
Last Answer : The diode material suitable to rectify 0.5V AC signal is silicon
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202 views
1 answer
asked
May 16, 2020
by
anonymous

Draw symbols of zener diode and LED.
Last Answer : Symbol of zener diode : Symbol of LED
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432 views
1 answer
asked
May 16, 2020
by
anonymous

Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
Last Answer : Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
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203 views
1 answer
asked
Apr 28, 2018
by
anonymous

Which side of the diode is positive?
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80 views
0 answers
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Mar 15, 2018
by
anonymous

How can you identify a zener diode?
Last Answer : It conducts current in either direction.
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239 views
2 answers
asked
Mar 15, 2018
by
anonymous

How do we test a diode?
Last Answer : test
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73 views
1 answer
asked
Mar 15, 2018
by
anonymous

How much time a diode takes to switch ON in forward bias condition.
Last Answer : t=0 sec.
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140 views
1 answer
asked
Dec 25, 2017
by
Nitin

Last Answer : Diode conducts when the anode voltage is greater than the cathode voltage.
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86 views
1 answer
asked
Sep 21, 2017
by
anonymous
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Last Answer : Diode have two terminals.
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117 views
4 answers
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Sep 21, 2017
by
anonymous

57 views
0 answers
asked
Feb 21, 2020
by
anonymous

While studying the V-I characteristics of a zener diode, there are two different values of resistors connected in series with it. In case of the forward characteristics, a ~70 ohm resistor is connected ... ~510 ohm resistor. What is the reason behind it ? Is the difference really necessary ?
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117 views
0 answers

Diode VI characteristics
Last Answer : Diode VI characteristics
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228 views
1 answer
asked
Oct 19, 2019
by
anonymous

Write the function of freewheeling diode.
Last Answer : Function of Freewheeling Diode (FWD): a) Freewheeling diode is used across inductive loads such as coils, dc motor armature etc. to prevent voltage spikes across these loads when the switching ... current is shifted from switching device, it is turned off easily and regain its blocking ability.
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124 views
1 answer
asked
Oct 13, 2019
by
anonymous

applications of Schottky diode.
Last Answer : 1) To rectify very high frequency signals. 2) As a switching device in digital computers. 3) In clipping & and clamping circuits. 4) In low power schottky TTL circuits. 5) In mixing and detecting circuits used in communication systems. 6) In low voltage power supply circuits.
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64 views
1 answer
asked
Aug 19, 2019
by
anonymous

applications of P-N junction diode
Last Answer : 1.It is used as rectifier in DC power supply 2.It is used as free wheel diode across relay or inductive load 3.It is used as switch in logic circuits used in computers 4.It is used as detector in demodulation circuits of communication receiver
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74 views
1 answer
asked
Aug 19, 2019
by
anonymous

Avalanche diode
Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
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62 views
1 answer
asked
Jul 6, 2019
by
anonymous

99 views
0 answers
asked
Oct 25, 2018
by
Sai

96 views
0 answers
asked
Sep 24, 2018
by
anonymous
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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.
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162 views
1 answer
asked
Sep 5, 2018
by
anonymous

List specification of zener diode
Last Answer : 1. Zener Voltage 2. Maximum Zener current 3. Power dissipation 4. Operating temperature 5. Dynamic Resistance
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92 views
1 answer
asked
Sep 5, 2018
by
anonymous

Define ripple factor and PIV of diode.
Last Answer : 1. Ripple factor: It is define as ratio of R.M.S. value of AC component to the DC component in the output. 2. PIV : It is maximum reverse voltage that diode can withstand without destroying junction.
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115 views
1 answer
asked
Sep 5, 2018
by
anonymous

Explain the operating principle of LASER and list applications of LASER diode.
Last Answer : A basic construction of Laser diode is as shown . A PN junction is formed by two layers of doped gallium arsenide. There is highly reflective surface at one end of PN junction and ... 6. laser scanning and light beam illumination. 7. Military applications 8. Medical surgery 9.Diamond cutting
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287 views
1 answer
asked
Sep 5, 2018
by
anonymous

A diode in which the change in reverse bias voltage varies the capacitance is called as A) Varactor diode B) Switching diode C) Tunnel diode D) Zener-diode
Last Answer : A diode in which the change in reverse bias voltage varies the capacitance is called as Varactor diode
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159 views
1 answer
asked
Jun 18, 2018
by
anonymous

What is a diode clamper circuit?
Last Answer : Tha faction of diode
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143 views
1 answer
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Mar 22, 2018
by
anonymous

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.
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126 views
1 answer
asked
Mar 22, 2018
by
anonymous

Write short notes on diode.
Last Answer : Diode is made from semiconductor material like silicon or germanium. Diode may use as rectifier which convert AC to DC. It is a electronic component. It is two terminal device, one is anode and second is ... in one direction. Diode is made from P-type and N-type material. Diode have a PN junction.
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119 views
1 answer
asked
Mar 9, 2018
by
anonymous
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Explain the formation of parasitic BJT and parasitic diode in Power MOSFET. Can parasitic diode be used in same power electronics applications?
Last Answer : Parasitic Diode: The parasitic diode is in between drain and source. The MOSFET structure itself contains parasitic diode or body drain diode. This parasitic diode allows the reverse flow of current when the ... of MOSFET as a BJT collector. Parasitic BJT operates in the cut-off region.
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2.6k views
1 answer
asked
Feb 6, 2018
by
anonymous

Justify the statement. Antiparallel diode is connected across MOSFET.
Last Answer : In MOSFET current is flow from drain to source but when the load is inductive the current may flow in opposite direction. To avoid the opposite flow of current and to protect MOSFET the antiparallel diode is connected across MOSFET.
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161 views
1 answer
asked
Feb 2, 2018
by
anonymous

what is the minimum voltage required to turn on a diode ?
Last Answer : 0.7 v sil and 0.3 v for gr
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158 views
1 answer
asked
Dec 28, 2017
by
anonymous

what is diode ?
Last Answer : Semiconductor device. That allows flow of current in one direction
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178 views
2 answers
asked
Dec 25, 2017
by
anonymous
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What would cause a diode to fail?
Last Answer : Supply voltage beyond its limit
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128 views
1 answer
asked
Dec 9, 2017
by
anonymous

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.
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2.6k views
1 answer
asked
Dec 9, 2017
by
anonymous

What is the use of Schottky diode?
Last Answer : Schottky diode are use in SMPS, Sample and hold circuits and voltage clamping etc.
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120 views
1 answer
asked
Dec 9, 2017
by
anonymous

What is the use of laser diode?
Last Answer : laser diodes are use in telecommunication, rangefinders, barcode readers etc.
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102 views
1 answer
asked
Dec 9, 2017
by
anonymous

What does a Shockley diode do?
Last Answer : It is diode have low forward voltage drop and very high switching action
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92 views
1 answer
asked
Dec 9, 2017
by
anonymous

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.
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98 views
1 answer
asked
Dec 9, 2017
by
anonymous

What is the use of Tunnel diode ?
Last Answer : Tunnel diode is use in frequency converters and detectors, ultra high speed switching, amplifiers, etc.
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150 views
1 answer
asked
Dec 9, 2017
by
anonymous
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Last Answer : It is semiconductor diode with a low forward voltage drop and very high switching action
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80 views
1 answer
asked
Sep 13, 2017
by
anonymous
