if the energy gap is between( 1.2 and 5) eV this is a

Q: Calculate the transistor’s Collector current if it is driven by a small Base current of 1.96mA with…

A:

Q: are made of Au with a work function of 5.1 eV. The electron affinity, Fermi energy and band gap for…

A: Solution: a. Under positive gate voltage.

Q: What are Intrinsic Semiconductors?

A: An intrinsic semiconductor is a pure semiconductor, or in other words an undoped semiconductor.

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

A:

Q: Si and Ge have same lattice structure. Why is C insulator while Si and Ge intrinsic semiconductors?

A: The valence electron of three given elements are four but the energy gap value are different.

Q: Calculate the space width in (meter) and the capacitance in (Farad) for a p-n junction when a…

A: Applied reverse biase voltage Vr=3 VTemperature T=350KNA=1020 m-3ND=1018 m-3ni=1015…

Q: A silicon wafer is uniformly doped p-type with NA = 1015 / cm³, at T = 0 K the equilibrium holes…

A: Given: The silicon wafer (Intrinsic carrier) concentration NA = 1015 /cm3. To find: The equilibrium…

Q: When a silicon material is doped with Arsenic (As) that has 5 valance electrons, the doped material…

A: When a small amount of Pentavalent impurity is added to the silicon, it creates extra electrons…

Q: These "holes" can move through p-type doped silicon, and effectively act as though they are charges.

A: There are two type of semiconductor. 1. n type with majority electrons and minority holes  2. p type…

Q: If the ratio of mopility of electrons to mopility of holes is 3:1 and the condicutivity of impure…

A:

Q: The electrons in the conduction band are known as?

A: To Explain: What are the electrons in the conduction band called.

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: Suppose a pure Si crystal has 5 × 1028 atoms m-3. It is doped by 1 ppm concentration of pentavalent…

A: Given:  Number of Si crystal, n = 5 × 1028 atoms m-3 Dopping = 1 ppm = 10-6  ni =1.5 × 1016 m-3.

Q: Sn, C, and Si, Ge are all group XIV elements. Yet, Sn is a conductor, C is an insulator while Si and…

A: Sn is a conductor because the energy gap for Sn is 0 eV, C is an insulator because the energy gap is…

Q: For a certain semiconductor, the Fermi energy is in the middle of its band gap. If the temperature…

A: Probability that a state at the bottom of the conduction band is occupied is,…

Q: In a transistor, B = 45, the voltage across 5 k Q resistor which is connected in the %3D collector…

A: In the Question given current gain , resistance and collector voltage and we have to find the base…

Q: (Answer by true or false) In N-type the Fermi level rises to conduction band

A: In N-type the Fermi level rises to conduction band

Q: An electron is confined within a thin layer of a semiconductor.If the layer can be treated as an…

A: The energy in the nth level is For n=1, For n=2,

Q: Find the static and dynamic resistance of a p-n germanium junction for an applied bias of 0.6V at…

A:

Q: if the energy gap is between( 1.2 1 p and 5) eV this is a semiconductor: conductor: insulator

A: Given: The energy gap is between (1.2eV and 5eV)

Q: if the energy gap is between( 1.2 and 5) eV this is a O conductor: semiconductor insulator

A:

Q: Explain the effect of adding a) donor impurity b) acceptor impurity, on a semiconductor

A: In semiconductors the gap between the valence band and conduction band is in between that of…

Q: A potassium chloride crystal has an energy band gap of 7.6 eV above the topmost occupied band, which…

A: Given: Energy band of potassium chloride (Eo) = 7.6 eV. Wavelength of light = 140 nm.

Q: The depletion region in semiconductors is depleted from

A: to find . by which depletion region in semiconductor is depleted

Q: An NPN transistor has beta value of 200. Calculate the base current required to switch a resistive…

A: Given : beta value, β = 200            Collector current, Ic = 4 mA

Q: The semiconductors that when the distance between the impurity atoms decrease, and interact with…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: energy gap in Ge is lower thân Si. because:

A: Answer              B) the distance between nucleus and valence cell in Ge is larger than si

Q: Show that in a parabolic potential well, the spacing between the energy levels is constant. In…

A: In the given question we have to Show that in a parabolic potential well, the spacing between the…

Q: Discuss PN junction diode and explain the barrier potential across the junction?

A: A PN-junction diode is formed when a p-type semiconductor is fused to an n-type semiconductor…

Q: A CO molecule is initially in the n = 2 vibrational level. If this molecule loses both vibrational…

A: energy of a vibrating rotatorisEnI=(n+12)hωosc+I(I+1)h28π2I'..........(1)ωosc=12πKm............(2)we…

Q: A silicon wafer is uniformly doped p-type with NA = 1015 / cm³, at T=0K the equilibrium holes…

A: The temperature T= 0K implies absolute temperature. At this temperature no free electrons and holes…

Q: For a BJT transistor if VCC=8V, VCE= 8V, the transistor will operate in region O cutoff active…

A: For BJT transistor , VCE = VCC  - ICRC

Q: Illustrate the biasing of an npn transistor in common emitter configuration in your own words.

A: Question--- explain NPN transistor in in common emitter configuration ?

Q: Compared to an insulator, the energy gap of a semiconductor is: A. full of holes B. about the same…

A: The difference of energy between the bottom of the conduction band and the top of the valence band…

Q: Assume that a GaAs semiconductor has a lattice constant a=7.5 Å, and the atoms of Ga and As are hard…

A: Lattice constant for GaAs semiconductor (a) = 7.5 Ao

Q: How does the depletion region of a p-n junction diode get affected under reverse bias?

A: The p side stands for positive side, where the number of holes exceeds the number of electrons. The…