the mobility of free electrons is greater that of free holes because * they are light O they mutually collide less

Q: The work functions of metals A, B, and C are 3.0 eV, 4.0 eV, and 5.0 eV, respectively. UV light…

A: Given: The work functions for metal A is 3.0 eV. The work functions for metal B is 4.0 eV. The work…

Q: Water has an uneven, or asymmetrical, distribution of electron density. A diagram of a water…

A: water molecules have an uneven distribution of and charge density

Q: 2. Calculate the power absorbed by each element. I=5A P2 6A 12 V 20 V P1 P3 8V P4 0.21

A:

Q: energy gap of (1.81 eV) is equivalent to: O (2.9 * 10-19) Joules O (2.7* 10^19) Joules O (3.1* 1019…

A: as per guideline I am solving the first one, we know that 1 eV=1.6022 *10^-19 J

Q: The bulk in laboratory plasmas are called quasineutral because in the lab setting they tend to have…

A: Following statement is given to us. The bulk in laboratory plasmas are called quasi neutral because…

Q: How many ways are there to arrange a number of fermions on an energy slice whose number of states is…

A: Given: How many ways are there to arrange a number of fermionson an energy slice whose number of…

Q: State Huygen's principle.

A: Huygen's principle was proposed by Christian Huygens. It is an important principle in studying…

Q: The average thermal energy for a mono-atomic gas is: (kB is Boltzmann constant and T , absolute…

A:

Q: What prevents a positive and negative ion from having a zero separation

A: A positive ion is formed when an atom loses an electron, while a negative ion is formed when an atom…

Q: A certain computer chip that is about the size of a postage stamp (2.54 cm * 2.22 cm) contains about…

A:

Q: Good day, can you please help me with number 2 and 3.  1. Silicon is the main ingredient of both…

A: The expression for the density is, ρ=mv The density is directly proportional to the mass and…

Q: Consider a lower energy level situated 200 cm from the ground state. There are no other energy…

A: Data Given , Energy in ground state ( E0 ) = 0 Energy in lower energy state ( E1 ) = 200 cm-1  Now,…

Q: The number of silicon atoms per m3 is 5 × 1028. This is doped simultaneously with 5 × 1022 atoms per…

A: Given that nI = 1.5 × 1016m–3 Following values are given in the question: Number of silicon atoms, N…

Q: In crystal binding, force is needed from keeping the atoms become too close to each other. O a)…

A: Introduction: The universe is made up of matter and energy. Energy is in the form of waves having…

Q: A power transistor is a -2 .device a) two terminal, bipolar, voltage controlled b) two terminal,…

A:

Q: Concerning the laser effect in tissue, vaporization occurs when the cell temperature reaches to * O…

A: The tissue heat up rapidly because of high absorption and high power of the laser.

Q: Find RAB in the network shown. 6 k2 A O 6 k2 2 k2 RAB 6 k2 Select one: O a. 3 K O b.6 K O c. 18 K KD…

A: In a given electricity circuit.

Q: ge of +3.2 iC. How many electrons must be added to the nail to make it electrically neutral? O 3.2 x…

A:

Q: Find the uncertainty in the bonding energy and radius of a fundamental hydrogen atom using the…

A: We have to find the bonding energy and radius of hydrogen atom using Heisenberg uncertainty…

Q: During Bose-Einstein condensation all the atoms fall back to the _______ a) Ground state b) First…

A: In case of Bose-Einstein Condensation, the temperature of the material remains to be quite low such…

Q: Soft superconductors : O have infinite layer structures. O form single-walled nanotubes O their…

A: The soft superconductors exhibit a very sharp transition to a superconducting state.

Q: Iron has an atomic number Z=26, a relative atomic m iron, assuming that each atom contributes two…

A:

Q: An electron is confined to a metal cube of l=0.8 cm on each side. Determine the density at…

A: Density of electron at a given energy level is the chance of find an electron at that energy level.…

Q: When an electric field is applied across a semiconductor A- holes move from lower energy level to…

A: In a semiconductor, holes are in the valence band and electrons are in the conduction band. When an…

Q: The movement of charged particles in the plasma is supposed to be from: 1. Electrons are guide and…

A:

Q: atoms can occupy only certain discrete energy levels. Consider a gas at a temperature of 2 500 K…

A: The ratio of the number atoms in the higher energy level to the lower energy level can be given as

Q: The motion of electron-hole pairs created in the depletion region causes the drift currnt Here the…

A: In a pn semiconductor, the n-side has an excess of electrons and the p side has an excess of holes.…

Q: Gold nanoparticles can be used for hyperthermia. To increase their temperature, one can use Select…

A: Laser is good source of coherent light i.e. focusing on target and can be used to increase…

Q: About how big is an atom? a. too small to measure b. about a millionth of a meter across c.…

A: An atom is a small unit that has subparts like electron proton and neutron. Even thou it is a small…

Q: When a pair of particles is generated or interacts in certain ways, they are said to be "entangled".…

A: Answer :-  D) Measurements made on these particles will be correlated.

Q: • Which of the following is always used in the forward biased arrangement? A. Zener diode, B. LED,…

A: According to company policy, only first three subparts will be answered here. Please post the rest…

Q: Explain Poisson's Ratio.

A: In case of elastic materials, when it is stretched along one dimension, it got contracted in…

Q: True or False higher energy levels are stable. A.True B.False

A: Question. Higher energy levels are stable

Q: A monatomic ion has a charge of +2. The nucleus of the ion has a mass number of 86. The number of…

A:

Q: In a transistor, collector region width is maximum when it 1. Collects maximum number of charge…

A: Given: Two statements regarding the collector region width of a transistor.

Q: induced electron flow in Situation A would be ___. The induced electron flow in SItuation B would be…

A: Direction of current is taken in the direction of flow of positive charge and opposite to flow of…

Q: 20 20 a d 42 20 3Ω h

A:

Q: True or False lower energy levels are stable A.True B.False

A: To find: Lower energy levels are stable.

Q: What is known as Curie temperature ?

A: Curie temperature, is the temperature at which the ferromagnetic materials change into paramagnetic…

Q: Insulators are defined by their inability to let electrons transfer easily. What does this allow…

A: