Recent questions and answers in Diode

1 answer 53 views

if you got you will receive some cash

answered Apr 21 in Diode
0 answers 78 views
0 answers 62 views

Why donor and receiver atoms can't move when sufficient voltage is supplied if they have charge Thanks

asked Aug 16, 2018 in Diode
3 answers 20 views

The arrow direction in the diode symbol indicates

answered Aug 3, 2018 in Diode
1 answer 14 views

The region consisting of holes and electrons near the p-n junction of a diode is (A) diffusion region (B) neutral zone (C) recombination region (D) depletion region 

answered Aug 2, 2018 in Diode
1 answer 27 views

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  

answered Jun 18, 2018 in Diode
1 answer 18 views

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  

answered Jun 18, 2018 in Diode
1 answer 9 views

The light emitted diodes consist of: (1) Si (2) GaAs (3) Ge (4) Diamond 

answered May 29, 2018 in Diode
1 answer 12 views

In which of these is reverse recovery time nearly zero? (1) Zener diode (2) Tunnel diode (3) Schottky diode (4) PIN diode

answered May 28, 2018 in Diode
1 answer 7 views

The diode oftenly used for voltage regulation in electronic circuits is (a) Zener (b) Varactor (c) Silicon (d) Germanium

answered May 27, 2018 in Diode
0 answers 22 views

A three phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, three phase a.c. source. For the purely resistive load, the peak instantaneous output voltage is 

asked May 25, 2018 in Diode
0 answers 10 views

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

asked May 25, 2018 in Diode
0 answers 15 views

When current dramatically increases, the voltage point on the diode forward V-I characteristic curve is called the  A) Breakdown voltage B) Knee voltage C) Barrier voltage D) Both B) and C) are true

asked May 23, 2018 in Diode
1 answer 28 views

Assume that D1 and D2 in figure are ideal diodes. The value of current I is A)0mA B) 0.25mA C) 0.5 mA D)1.0mA 

answered May 20, 2018 in Diode
1 answer 12 views

Barrier potential in a P-N junction is caused by   (A) thermally generated electrons and holes (B) diffusion of majority carriers across the junction (C) migration of minority carriers across the junction (D) flow of drift current.

answered May 17, 2018 in Diode
1 answer 5 views

A power diode has lightly doped n type substrate sandwiched between heavily doped p and n regions  (a) to increase reverse breakdown voltage (b) to reduce ohmic loss under forward bias (c) to decrease switching time of the power diode (d) to improve transient behaviour of the diode

answered May 15, 2018 in Diode
1 answer 16 views

The reverse breakdown phenomenon in a zener diode is known as

answered May 14, 2018 in Diode
1 answer 7 views

When the diode is forward biased, it is equivalent to

answered May 14, 2018 in Diode
1 answer 14 views

A forward potential of 10V is applied to a Si diode. A resistance of 1 KΩ is in series with the diode. The current through the diode is

answered May 14, 2018 in Diode
1 answer 7 views

The cut-in voltage of a silicon diode is approx. • 0.7 volt • 0.3 volt • 1.4 volt • None of the above.

answered May 14, 2018 in Diode
1 answer 8 views

The step Recovery Diode is used as • Frequency adder • Frequency subtractor • Frequency multiplier • None of the above.

answered May 14, 2018 in Diode
1 answer 13 views

In a tunnel diode, electrons can tunnel through the P-N junction mainly because  1.impurity level is low 2.they have high energy 3.barrier potential is very low 4.depletion layer is extremely thin 

answered May 13, 2018 in Diode
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