Compare a point contact diode with a p-n junction.

Q: Draw a circuit of (i) (ii) diode forward biased and diode reversed biased.

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Q: +3vo N +2vo N +1 Vo N (e) 1 ΚΩ www +3vo K +2vo K +iva K +5V ΓΚΩ (f) www ll

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Q: Lead has four valence electrons per atom and forms an FCC structure with one atom per lattice point…

A: Metallic bonds are formed mainly in atoms which has less number of electrons in their valence shell.…

Q: Explain the energy band diagram for a semiconductor with a neat sketch.

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Find the minimum electron concentration in min in

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Q: When  a forward  biased a diode is

A: When a forward biased diode  In forward biasing, the anode of the diode is connected to the…

Q: Can we take one slab of p-type semiconductor and physically join it to another n-type semiconductor…

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Q: Diode current and temperature. At normal operating conditions, the current-voltage relation for a…

A: Have a look dear

Q: Discuss the forward region, reverse region, breakdown region and knee voltage of silicone diode…

A: SOlution: Discuss the forward region, reverse region, breakdown region and knee voltage

Q: A p-n heterojunction is formed though Semiconductor A intimately contacting with Semiconductor B.…

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Q: The doping profile inside the semi conduct or of a Schottky diode is linearly graded. i.e ..…

A: (a) The depletion approximation yields the expression with ND(x)=ax for the condition x is greater…

Q: The increase in the width of the depletion region in a p-n  junction diode is due to: forward bias…

A: In reverse bias, external battery attracts majority charge carriers. So, width of the depletion…

Q: Discuss with details the efficiencies of Laser Diode?

A: A Laser Diode, like a light-emitting diode, is a semiconductor device (LED). It makes use of a p-n…

Q: Shockley's diode equation in standard form may be considerably simplified for conditions of room…

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Q: r silicon diode with I = 2.5 at300k find forward voltage at forward current of 10mA

A: Given: Current from the source, Is=2.5 μA=2.5×10-6 A Current at forward current, ID=10 mA=10×10-3 A…

Q: Are there more electrons at the bottom or in the middle of the conduction band of a semiconductor?

A: As we know that the charges at the top of the band have highly energy and in the bottom electron…

Q: In a silicon lattice, where should you look if you want to find (a) a conduction electron, (b) a…

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Q: In the following diagram, is the junction diode forward biased or reverse biased? (All India 2017]…

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Q: Why does current diode is parallel combination and voltage does not.

A: SOlution: Given that To explain why does current diode is parallel combination and voltage does not.

Q: In a light-emitting diode (LED), which is used in displays on electronic equipment, watches, and…

A: The energy of the light emitted is same as the energy of the band gap

Q: Why the conductivity of metals increase with decrease in temperature, but conductivity of…

A: The conductivity of metals is defined by  sigma=nqm wheren= charge carrier density q=charge of the…

Q: How does a semiconductor differ from a conductor or an insulator?

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Q: How is p-type semiconductor different from n-type?

A: When a five-composite atom of pure silicon crystal is inserted as an adulterant, then the four…

Q: Two basic transport mechanisms in a semiconductor crystal are:

A: Two kinds: 1. Diffusion current: Difference in concentration of charge carriers (concentration…

Q: What is a point contact diode?

A: The point contact diode is made off by contacting a metallic wire with an N-type semiconductor to…

Q: Determine the forward bias diode current at  0.7 volt.  kT/q= 25.875 mvolt

A: PN junction diode A PN junction diode is a circuit element that is fabricated by joining an n-type…

Q: PN-junction diode works as an insulator, when connected in?

A: When the PN junction diode is connected in reverse bias no current flows and works as an insulator.…

Q: Explain Avalanche breakdown mechanism responsible for breakdown in p-n junction diode.

A: Avalanche breakdown occurs in a pn junction diode when it is moderately doped and when its depletion…

Q: (c) Draw diagrams showing how a semiconductor diode functions.

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Q: How can one use a diode to rectify alternating current?

A: Rectifiers are electrical devices which contain one or more diodes to allow the flow of current only…

Q: (a) Draw the energy band diagram for a metal-semiconductor contact (including the  

A: a) For intrinsic silicon one has the values: χi=4.05 eV, ni=1.5×10-10 cm-3, Eg=1.12 eV (and…

Q: What is the difference between an ordinary p-n junction diode and a zener diode?

A: The PN junction is a semiconductor diode with some depletion region. In case of Zener diode, the…