Q: 3. A 750 W' toaster and a 1200 W electric frying pan are plugged into the same 100 V outlet. What…
A: Power of toaster = 750 W Power of electric frying pan = 1200 W V = 100 volts time = 3 hr per week ,…
Q: Compute the distance covered by man travelling with speed of 5.5 m/s in 25
A: GivenSpeed of man=5.5 m/sTime Taken=2 s
Q: Q9/ The bandwidth of amplitude modulation (AM) if a sinusoidal signal at 1.5 KHz, ---
A: Given Frequency of modulating signal is fm=1.5 kHz Find the band width of amplitude modulation.
Q: In a similar problem as before, a 0.482 kg mass hangs from a frictionless pulley with a radius of…
A:
Q: Calculate the work done when a force of 15 N moves a body by 5 m in its direction.
A: Introduction : In this question we are provided with value of force and displacement . with these…
Q: During a very quick stop a car decelerates at 7.4 M/S ^2.Assume the Ford motion of the car…
A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…
Q: Mark bought a large pizza with a radius of 0.5 m. He unmindfully pours pizza sauce along the pizza…
A:
Q: Determine the magnitude of the vector difference V' = V₂ -V₁ and the angle 0x which V' makes…
A: The value of θx is 166.64° and the value of V' is 32.89 units
Q: (a) A cord is wrapped around the rim of a wheel 0.250 m in radius, and a steady pull of 40.0 N is…
A:
Q: Determine the angles made by the vector V = -41i + 54j with the positive x- and y-axes. Write the…
A:
Q: Compute time required Speed=32 km/hr Distance-50 km
A: Write the given values with the suitable variables. v=32 km/hrd=50 km Here, v is the speed and d is…
Q: A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s² south.…
A:
Q: Write the formula of lense and explain the meaning of symbols used.
A: Lenses form images by refraction. Refraction is the phenomenon of bending light when it passes from…
Q: When a missile is fired from a tank it gets a momentum of 2000 kg m/s. If the velocity of the…
A: Given, Momentum of the missile = 2000 kg-m/s Velocity of the missile = 50 m/s
Q: 2). A photon is a wave that car be absorbed or emitted by the lattice during thermal vibration and…
A: Photon
Q: A material of resistivity 370,000 Ohms*m is shaped into a hollow cylindrical shell of length 3 cm,…
A:
Q: A 1.00 kg block starts from rest at the top of a 20.0 m long 30.0 degree incline. Its kinetic energy…
A: Work done by the friction is 0 J.
Q: Write the formula of lense
A: Given; Formula of lens and explain the meaning of symbols used ?
Q: 25. When would a sonic boom be possible? (source moves speed of sound, source moves at speed of…
A: To solve the given question we will write down the definition of sonic boom, hence by analyzing it…
Q: A basketball is dropped from a walkway above Bartow Arena. It falls from rest with a constant…
A:
Q: 3. The Distance of 50m, & 500 m. were accu rately measure & the intercepts on the staff blw the…
A: Solution: The tacheometric distance equation is given by: D=kS+c........................ (i) Here, D…
Q: Researchers from NASA performed an experiment that will carry a land rover of 900 kg on MARS at a…
A:
Q: Express the power of a concave lens of focal length 40 cm.
A:
Q: in the position shown? What is the tension T in cable CD? T A 43° D 3.6' C B
A: GivenTAB=70 lb
Q: A thermometer is in a container half filled with tea at 30 degrees Celsius. A smaller amount of tea…
A:
Q: A charge of 2.75 pC is held fixed at the origin. A second charge of 2.75 pC is released from rest at…
A:
Q: Determine the height h above the base B at which the resultant of the three forces acts. 230 lb 29"…
A:
Q: You push on a rectangular door at the location of the knob (see diagram for top view). The door s…
A:
Q: How much work is done by you when you lift a 9.0 kg object 71 cm off of the ground?
A: Given : Mass of object (m) = 9 kg Height (h) = 71 cm = 0.71 m
Q: You push on a rectangular door at the location of the knob (see diagram for top view). The door s…
A: Mass of door, M = 79.2 kg Side-to-side width, x = 1.83 m Distance of knob, r = 0.13 m Force, F = 148…
Q: A 5.0 kg object is moving at 2.29 m/s? By what factor does its kinetic energy change if its speed…
A:
Q: A 2.34 kg particle has the xy coordinates (-1.81 m, 0.340 m), and a 3.82 kg particle has the xy…
A: Given data- mass m1=2.34 kg, x1,y1=-1.81 m,0.340 m mass m2=3.82 kg, x2,y2=0.104 m,-0.143 m mass…
Q: Calculate the magnitude of the tension T and the angle 0 for which the eye bolt will be under a…
A:
Q: Water towers store water above the level of consumers for times of heavy use, eliminating the need…
A: Write the expression for the pressure. Here, ρ is the density of the water, g is the acceleration…
Q: 2). A photon is a wave that car be absorbed or emitted by the lattice during thermal vibration and…
A: Photon:- Photon is the elementary particle of electromagnetic field. It is also…
Q: Find the work done on piston as the temperature rises with a path from 3m³ to 7m³ with a pressure of…
A:
Q: Question 7 of 15 A light ray refracts at the interface between two transparent materials as shown…
A:
Q: 17. Magnification scale of X was used on 10 inch diameter screen, the largest object could be…
A:
Q: Calculate the work W against gravity required to build a hemisphere with base of radius 0.6 m out of…
A: Consider a differential element of width dy, radius x, and height from the base y.
Q: What are the components of the moment of inertial of the BeBr2 body if the coordinates of the…
A:
Q: Consider a block is sliding down an inclined plane. There is friction. Which angle would result in…
A: Given A block sliding on a rough inclined surface We have to find on which angle 30° or 60° speed of…
Q: A cord connected at one end to a block of mass m-3.0 kg which can slide on an inclined plane has its…
A:
Q: A 32.0 kg person starts at the center of a frictionless rotating merry-go-round that has a radius of…
A: We solve this problem by applying conservation of angular momentum.
Q: A free-body diagram of a particle subjected to the action of four forces is shown in Fig.2.29.…
A: Given: F4=10 kipF3=40 kip The system is in equilibrium.
Q: A ball is dropped in a stationary elevator and hits the floor in 0.65 s. How long does it take for…
A:
Q: Compute the combined moment of the two 70-lb forces about (a) point O and (b) point A. The moment is…
A: Given F = 70 lb a = 4.7 in b = 2.8 in We have to calculate the moment about (a) point O (b) point A…
Q: Determine the angles made by the vector V = -60i + 44j with the positive x- and y-axes. Write the…
A:
Q: The force F has a magnitude of 490 N. Express F as a vector in terms of the unit vectors i and j.…
A:
Q: What is the current in a DC circuit with 120-volts and a 60-watt light bulb?
A:
Q: The position of a particle in millimeters is given by s = 84 - 19t + t2 where t is in seconds. Plot…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- The Csl crystal structure is BCC. The equilibrium spacing is approximately r0=0.46nm . If Cs+ ion a occupies a cubic volume of r03, what is the distance of this ion to its "nearest neighbor” I+ ion?The Hall effect is demonstrated in the laboratory. A thin rectangular strip of semiconductor with width 5 cm and cross-sectional area 2 mm" is attached to a battery and immersed in a field perpendicular to its surface. The Hall voltage reads 12.5 V and the measured drift velocity is 50 m. s. What is the magnetic field?In a physics lab, you measure the vibrational- rotational spectrum of HCl. The estimated separation between absorption peaks is f5.51011Hz . The central frequency of the band is f0=9.01013Hz . (a) What is the moment of inertia (I)? (b) What is the energy of vibration for the molecule?
- For a one-dimensional crystal, write the lattice spacing (a) in terms of the electron wavelength.What is Pauli's exclusion principle? Explain the importance of this principle for the understanding of atomic structure and molecular bonding.Describe two features of energy levels for an electron in a crystal.
- Q3: Design a full-wave rectifier with Ik2 load. The rectifier operates from A.C supply of 220v (rms) and 50HZ through 20-to-1 step down transformer having a center tapped secondary winding. What is the peak value of the rectified output across the load and the fraction of a cycle does each diode conduct? What is the PIV of the used diodes. The diodes can be modeled to have 0.75v voltage drop for any current.Question 1 Compared to an insulator, the energy gap of a semiconductor is: A. full of holes B. about the same C. much smaller3. Semiconductor Quantum-Dot Laser Semiconductor quantum-dots are quantum systems with typical three-dimensional size of a few nanometers. They are being explored for optoelectronic application such as a quantum- dot laser. The figure below shows the infrared laser emission (middle) at 1 = 1.28 µm from InAs quantum-dots. Also shown is an AFM image (left) indicating the size of the InAs quantum-dots. You need to estimate the size of the quantum-dots by modeling the electron as confined in a nanocube of side L (right) and compare your result with the AFM measurement. V = c0 V = 00 > y 7. V = 0 L 200 nm L 1100 1200 Wavelength (nm) 1300 1400 1500 Atomic-Force Microscopy of as-grown InAs quantum dots Lasing spectrum with emission at A = 1.28 um (a) By direct substitution into the time-independent Schrödinger in three-dimensions, h2 [02p(x,y,z) , a²Þ(x,y,z) , 0²µ(x, y, z)] ду? + V(x,y, z)þ(x) = Ep(x,y,z) + 2m show that the wavefunction of the electron is 3/2 [MT Pimn (X, y, x) sin + sin y +…
- JIF 418 MULTIPLE CHOICE QUESTIONS 1. Which of the following crystal growth techniques is commonly used for growing silicon crystals? a Bridgman method b. Czochralski method c. Float zone method d. Vapor phase epitaxy (VPE) 2. Which of the following factors affects the crystal quality of a grown semiconductor crystal? a. Growth rate b. Temperature c. Pressure d. All of the above 3. Which of the following techniques is used for doping a semiconductor crystal during crystal growth? a. b. c. Liquid phase epitaxy (LPE) d. Bridgman method Molecular beam epitaxy (MBE) Chemical vapor deposition (CVD) 4. Which of the following techniques is used for controlling the crystal orientation during crystal growth? a. Seed crystal shape b. Crystal substrate orientation c. Magnetic field d. All of the above 5. Which of the following impurities is commonly used to dope silicon to make it a p-type semiconductor? a. Boron b. Phosphorus c. Arsenic d. Antimony 6. Which of the following dopants is commonly…Q6. Can we operate normal PN junction diode in breakdown region for longer duration? Give reasonA silicon layer measuring 1 micrometers thick contains an electron. if a 1D quantum well with infinite walls can accurately describe the semiconductor. Assume that the silicon's electron's effective mass is 0.26 x. (rest mass of electron) a. Determine the material's three lowest energy levels. b. What is the corresponding electron velocity at the lowest energy level if the energy can be understood as the kinetic energy of the electron?
