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GuruPhy
India
เข้าร่วมเมื่อ 8 มี.ค. 2020
What one calls God, Another calls the laws of Physics. by Nikola Tesla.
GuruPhy is a TH-cam channel created by Imran Khan (B.Tech., IIT Kharagpur) to help students, aspirants and even teachers to understand Physics in a easy and simple way with minute conceptual clarity. It is created for board exams, JEE Main, NEET, IIT Advance and even for state level PCS/PSC and IAS/UPSC Physics optional exams.
If you have any question or doubts, write a comment or email at
GuruPhy2020@gmail.com
or send a message at Telegram channel:
t.me/GuruPhy or t.me/GuruPhy12
GuruPhy is a TH-cam channel created by Imran Khan (B.Tech., IIT Kharagpur) to help students, aspirants and even teachers to understand Physics in a easy and simple way with minute conceptual clarity. It is created for board exams, JEE Main, NEET, IIT Advance and even for state level PCS/PSC and IAS/UPSC Physics optional exams.
If you have any question or doubts, write a comment or email at
GuruPhy2020@gmail.com
or send a message at Telegram channel:
t.me/GuruPhy or t.me/GuruPhy12
Ch14QM12 Semiconductor Electronics Assignment Solutions
The current through an ideal PN-junction shown in the following circuit diagram will be
(a) Zero (b) 1 mA (c) 10 mA (d) 30 mA
(a) Zero (b) 1 mA (c) 10 mA (d) 30 mA
มุมมอง: 618
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When a silicon PN junction is in forward biased condition with series resistance, it has knee voltage of 0.6 V. Current flow in it is 5 mA, when PN junction is connected with 2.6V battery, the value of series resistance is (a) 100 (b) 200 (c) 400 (d) 500
Ch14QM09 Semiconductor Electronics Assignment Solutions
มุมมอง 1642 ปีที่แล้ว
In the following circuit of PN junction diodes D1, D2 and D3 are ideal then i is (a) E/R (b) E/2R (c) 2E/3R (d) Zero
Ch14QM08 Semiconductor Electronics Assignment Solutions
มุมมอง 982 ปีที่แล้ว
Which statement is correct? (a) N-type germanium is negatively charged and P-type germanium is positively charged (b) Both N-type and P-type germanium are neutral (c) N-type germanium is positively charged and P-type germanium is negatively charged (d) Both N-type and P-type germanium are negatively charge
Ch14QM07 Semiconductor Electronics Assignment Solutions
มุมมอง 652 ปีที่แล้ว
If the ratio of the concentration of electrons that of holes in a semiconductor is 7/5 and the ratio of currents is 7/4 then what is the ratio of their drift velocities? (a) 4/7 (b) 5/8 (c) 4/5 (d) 5/4
Ch14QM06 Semiconductor Electronics Assignment Solutions
มุมมอง 592 ปีที่แล้ว
The difference in the variation of resistance with temperature in a metal and a semiconductor arises essentially due to the difference in the (a) crystal structure (b) variation of the number of charge carriers with temperature (c) type of bonding (d) variation for scattering mechanism with temperature
Ch14QM05 Semiconductor Electronics Assignment Solutions
มุมมอง 452 ปีที่แล้ว
When p-n junction diode is forward biased (a) the depletion region is reduced, and barrier height is increased (b) the depletion region is widened, and barrier height is reduced (c) both the depletion region and barrier height reduced (d) both the depletion region and barrier height increased
Ch14QM03 Semiconductor Electronics Assignment Solutions
มุมมอง 482 ปีที่แล้ว
Carbon, Silicon and Germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate? (a) The number of free conduction electrons is significant in C but small in Si and Ge (b) The number of free conduction electrons is negligibly small in all three (c) The number of free conduction electrons is significant only in Si and Ge but small in ...
Ch14QM02 Semiconductor Electronics Assignment Solutions
มุมมอง 682 ปีที่แล้ว
For LED’s to emit light in visible region of electromagnetic light, it should have energy band gap in the range of (a) 0.1 eV to 0.4 eV (b) 0.5 eV to 0.8 eV (c) 0.9 eV to 0.8 eV (d) 1.7 eV to 3.0 eV
Ch14QM01 Semiconductor Electronics Assignment Solutions
มุมมอง 622 ปีที่แล้ว
In an unbiased p-n junction, electrons diffuse from n-region to p-region because (a) electrons travel across the junction due to potential difference (b) electron concentration in n-region is more as compared to that in p-region (c) holes in p-region attract them (d) only electrons move from n to p region and not the vice-versa
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มุมมอง 802 ปีที่แล้ว
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มุมมอง 722 ปีที่แล้ว
Explain, with the help of a circuit diagram, the working of a photodiode. Write briefly how it is used to detect the optical signals
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มุมมอง 522 ปีที่แล้ว
With the help of a labeled circuit diagram, explain how a junction diode is used as a full wave rectifier. Draw its input, output wave-forms.
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มุมมอง 542 ปีที่แล้ว
What is the function of a photodiode?
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มุมมอง 2082 ปีที่แล้ว
Explain, how the heavy doping of both p and n-side of a p-n junction diode results in the electric field of the junction being extremely high even with a reverse bias voltage of a few volts
Ch14Q06 Semiconductor Electronics Assignment Solutions
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