4. Most metals are NOT * O Ductile. O Malleable. O Liquid at room temperature. O Good conductors of heat and electricity.

Q: 8uls 4-k // Inds 3als M=? m= 3.8 K,

A: Take the rightward direction as positive and leftward direction as negative. The initial velocities…

Q: Sketch Vo and J 10 K (tzz) -10 Fec )

A:

Q: Ο 3 Ω Α 9Ω Α Ο 18 Ω 9 V

A:

Q: How many Do atoms are in the sample?

A:

Q: 6. The only metal that is a liquid at room temperature is O Copper O Silver O Mercury O Sodium

A:

Q: 1- The process of adding an impurity to an intrinsic semiconductor is called... 2- The maximum…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: y describe are dislocations are necessary or bad ects in metals.

A:

Q: Determine Vo using kirchoff's laws

A: Equivalent resistance of the circuit is given by:- 1Req=15+11+10Req=5516kΩORReq=3.4375 kΩ

Q: 8) The formation of an n-type semiconductor necessarily needs adding traces of another element whose…

A: There are basically two types of extrinsic semi conductors, that is :  N type semi conductors P type…

Q: 3. The particles of a solid in place.

A: As per company policy, we are restricted to solve one question at a time. Please ask other question…

Q: Explain why it became 23.4mb

A: From the table 1 attached, We have the saturation vapor pressure at 18oC = 21 mb We have the…

Q: 5. Which diode model represents the most accurate approximation?

A: SOlution: which diode model represent the accurate approximation.

Q: Determine Vo in the network shown. 4 k2 14 k2 12 k 2 mA V.

A:

Q: What is compound

A: A chemical compound is a chemical substance composed of many identical molecules composed of atoms…

Q: Nme the non metal with shiny appearance?

A: Usually non-metals do not shine except for some. Examples are graphite and iodine.Let us consider…

Q: 3. Evaluate the following: a. ĵ· (2î– 3j+ k) b. (2î– j) · (3î+ k)|

A:

Q: What is the advantage of using monocrystalline silicon? much higher conductivity O much less…

A: Monocrystalline silicon has a wide range of applications and hence is widely used nowadays.

Q: 10.) What kind of conductivity occurs when a bismuth (Bi) atom is added as a substitutional impurity…

A: Answer: c) n-type extrinsic semiconductivity

Q: Most metals, like iron, are corroded easily, discuss why aluminum does not corrode even when exposed…

A: Most metals like iron, copper, even inert metals like silver do corrode when exposed to air for…

Q: (3) The units of permittivity are 1- Unit less 2- 1/4x 3- Nm 4- CNm

A: To find the unit of permittivity

Q: Qlfill the blank 1-The current in semi- conductor produced by. . 2-Processof adding an impurity to…

A: In a pure or intrinsic semiconductor the number of free electrons is equal to no of holes. n = p =…

Q: 4. Find the atomic spacing in a crystal of rock salt (NaCl), whose cubic structure. The density of…

A: Density (ρ) = 2.16 x 103 kg /m3Avagadro number = 6.022 c 1023 /moltotal mass of NaClM =  Na++ Cl-…

Q: 3. The heat can transferred within solid material because; (a) Electron movement due to electric…

A: To select correct option regarding heat transfer within the solid material.

Q: 4- When comparing the energy gap of germanium and silicon atoms, a silicon atoms energy gap is : a-…

A:

Q: can act sometimes as a conductor and sometimes as an insultor. O Insulator O Conductor O…

A: Semiconductors are materials that have electric conductivity in between conductors (usually metals)…

Q: Saran Wrap has a larger electron affinity than Nylon. If Nylon is rubbed against Saran Wrap, which…

A: Saran Wrap will end up with the excess negative charge. The object with the greater electron…

Q: 02:- Determine the values of n, and p, for silicon at T= 400 K, if the Fermi energy is 0.22eV above…

A: As given : the data for Silicon isT=400 KFermi energy is given to be 0.22 eVand as we know that the…

Q: Number 49 pratice

A:

Q: 234sin(θ)+390cos(θ) is θ= 59.04° what about  -46.8sin(θ)+78cos(θ) θ=?

A:

Q: This is NOT graded.

A:

Q: 2 sin cos is equivalent to: 27 Cos 27 sin sin 10 Cos 10

A:

Q: 1. What property of the electrons in a metal enables it to conduct electricity readily? What about…

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

Q: 3. Which atomic property is important in understanding charging by friction? * A. atomic mass B.…

A: Atomic property is important in understanding charging by friction is

Q: 2. In a silicon crystal, how many covalent bonds does a single atom form?

A:

Q: Aluminum 1 Germanium 2 Hard rubber 3 Glass 4

A: To determine: From the given options, which is a conductor material

Q: 13- Thermal energy of a crystal system at a temperature of 56 °C in electron volts is equivalent to

A:

Q: What is metal

A: Metals are natural compounds of earth's crust, in which they are generally found in the forms of…

Q: 2. How is enthalpy related to energy?

A: Enthalpy is defined as amount of heat (energy) absorbed or released by the system to cause a change…

Q: How many bottles of a 1.5 liters coke will you need to fill an entire 5.0 gallons empty water jug?…

A: Given   How many bottles of a 1.5 liters coke will you need to fill an entire 5.0 gallons empty…

Q: I am stuck on these calculations. Thank you.

A: (a) using equation (1) above equation can be solved.

Q: Pure water is an insulator but salty water is a conductor. Explain?

A: It is true that pure water is an insulator and salt water is a conductor.

Q: 3-Germanium at low temperature becomes conductive.

A: Pure Germanium is Insulator at room temperature. It is a semiconductor so its resistance decreases…

Q: ohm 8ohm 5v 8 ɔhm find eruivalent

A: Given ---- all value given in circuit. We have to find--- current?

Q: 5. Which substance has the lowest electrical conductivity? Hg (1) Cu (s) b. H,(g) d. LIOH (aq) а. с.

A: When electrons flow in a particular direction that means the current is flowing in the direction of…

Q: 42. One gram of copper has 9.48 x 10 atoms, and each copper atom has 29 electrons.

A: We have to understand the basic here.

Q: 13. Show that cos 0 2 cos e 1. 1. 1. = COs 3A. 1. 2 cos e

A: cosθ1012cosθ1012cosθ Expand it  = cosθ(4cos2θ - 1) - 1(2 cosθ - 0) + 0= 4 cos3θ - 3 cosθ= cos 3θ