Consider a simple pn-junction diode. Suppose this diode carries a current of 50 mA with a forward bias voltage of 200 mV at room temperature (293 K). What is the current when a reverse bias of 200 mV is applied?

Q: For hydrogen atoms in a 4d state, what is the maximum difference in potential energy between atoms w...

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Q: A 75.0 kg wrecking ball hangs from a uniform, heavy-duty chainof mass 26.0 kg. What is the tension a...

A: Given, Mass of the ball , mb=75 kg Mass of the chain, mc=26 kg The given question can be predicted i...

Q: A common lens coating material is magnesium fluoride 1MgF22, with n = 1.38. What thickness should a ...

A: The destructive interference condition for thin film is, 2t=m+12λcoatingfor minimum thicknes m=0that...

Q: You push your physics book 1.50 m along a horizontal tabletopwith a horizontal push of 2.40 N while ...

A: The work done by a constant force,F  during straight line displacement d is, W=Fscosθ               ...

Q: A sound wave source (a speaker) creates a sound wave in the air by vibrating back and forth. How doe...

A: We usually think of sound waves travel in air, but sound can travel through any gas, through liquids...

Q: A box of bananas weighing 40.0 N rests on a horizontal surface.The coefficient of static friction be...

A: The frictional force acts on the box of bananas is as follows: Ff=μsN                              1

Q: Find the Tension of Cord AB in N. Find the Tension of Cord AC in N. Find the Tension of Cord AD in N...

A: Given that:a= 3mb=2mc=1mMass of block, m=160 kgacceleration due to gravity, g= 9.80665 m/s2 To dete...

Q: A hydrogen atom in an excited state absorbs a photon of wavelength 410 nm. What were the initial and...

A: The energy of a photon of wavelength is E=hcλ E is the energy, h is the Planck’s constant. Use the g...

Q: Material a is water and material b is glass with index of refraction 1.52. The incident ray makes an...

A: Given data: The refractive index of water is na=1.33. The refractive index of glass is nb=1.52. The...

Q: A large semi truck has a mass of 35,000 kg. It collides head on with a car that has a mass of 1000 k...

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Q: There are several methods for removing electrons from the surface of a semiconductor. Can holes be r...

A: A hole is the absence of an electron in a particular site in an atom. They can move through the crys...

Q: The mass of the most common silicon atom is 4.646 * 10-26 kg, and the mass of the most common oxygen...

A: The wavenumber for rotational energy is: ν=BJJ+1=h28π2Icll+1 where, ν is the wavenumber. I is the mo...

Q: Is the velocity of a point independent of the reference frame chosen to express the position of the ...

A: Introduction: In order to describe physical events that occur in space and time such as the motion o...

Q: Block A rests on top of block B as shown in Fig. E4.26. Thetable is frictionless but there is fricti...

A: Given Mass of block A say m1=2.00kg Mass of block B say m2=6.00kg External force acting on block B i...

Q: Suppose you have an observable N with three eigenvalues 4, 8, and -1, with orthonormal eigenvectors ...

A: Consider a system that has an eigenvalue corresponding to an eigenvector . Let the system is in the...

Q: The coordinate in a XY plane for the charges are: -One positive charge of +1nC at the origen. -One p...

A: Solution:   Given Values, Positive charge at origin (q)=+1 nC=+1 × 10-9 C at (0,0) Positive charge a...

Q: Calculate the mean-free (or average) time between collisions for electrons (in the conduction band; ...

A: The expression for the mean free time between the collisions for electrons isτ=m*μqτ- mean free time...

Q: Line spectra allows the determination of what electron characteristic?   Speed Energy Direction ...

A: Line spectra allows the determination of energy of elctron. When electron moves from a higher orbit ...

Q: The escape speed of a particle near the sun’s surface is 6.2 x 105 m/s. Most of the gas there is ato...

A: The root mean square speed of the gas is vrms=3kTm k is the Boltzmann constant, T is the temperature...

Q: Please answer all parts and explain.

A: Expression for kinetic energy and gravitational potential energy K=12mv2Ug=mgh

Q: The inductor shown in Fig. has inductance 0.260 H and carries a current in the direction shown. The ...

A: (a) The potential difference between points a andb, Vab=1.04 V The induced emf produced due to chang...

Q: cx%3D+00 Using only the property f(a) = o f(x)8(x – a)dx as a definition of the Dirac delta, prove t...

A: (a) Given: f(a)=∫-∞+∞f(x)δ(x-a)dx Introduction: As a distribution, the Dirac delta function is a lin...

Q: Determine the correct equation to describe the Kβ frequencies measured by Moseley. Compare that with...

A: The general equation for the K-series frequency according to Moseley’s modeling can be given as, He...

Q: What’s the center of mass for each situation?

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Q: Calculate the maximum height it reaches and the velocity of the projectile when it hits the ground o...

A: You can assume mass = m , as it was not mentioned, for ymax it should be 1 according to answer , thu...

Q: Two blocks, with masses 4.00 kg and 8.00 kg, are connected by a string and slide down a 30.0 inclin...

A:     From this figure  : Applying freebody diagram for the mass 8 kg and 4 kg       8g sin 300 -T -0 ...

Q: Two coils are wound around the same cylindrical form, When the current in the first coil is decreasi...

A: (a) The induced emf in the second coil is ε2=Mdidt Here, ε2 is the magnitude of emf induced in the s...

Q: Parts B, C, and D. Statistical mechanics

A: Solution:   b) The Mean Molecular height of a molecule is calculated by using as follows:  

Q: Two skaters collide and grab on to each other on frictionless ice. One of them, of mass 70.0 kg, is ...

A:  Since the two skaters skate on frictionless ice, then there is no external net force on the horizon...

Q: Consider a wedge that is 30 cm long and 8 cm thick. Wedge's attenuation is 0.3 /cm. Derive the equat...

A: The amplitude (Ay) of an electromagnetic wave exponentially decays from the incident amplitude (A0) ...

Q: What determines whether a given photon is an x ray? Could an x ray have a wavelength longer than som...

A: A photon is said to be an X-ray photon or not is depending on its wavelength. The wavelength of x ra...

Q: Complete the following reactions. (a) µ- + p → n + ? (b) n + p → ∑0 + n + ?

A: (a) Total charge on the left side of the reaction is equal to zero. Moreover, lepton number is +1. T...

Q: solve a , b , c parts

A: (a) The system is analgous to a simple pendulum.Here, the student can be considered to be equivalent...

Q: A 0.800 kg ornament is hanging by a 1.50 m wire when the ornament is suddenly hit by a 0.200 kg miss...

A: Given: The mass of ornament is m1=0.800 kg. The length of string is l=1.50 m. The mass of missile i...

Q: Find the de Broglie wavelength of neutrons in equilibrium at the temperatures (a) 5.0 K and (b) 0.01...

A: The wavelength for thermal neutrons is, λ=h3mkT (a) therefore, λ=6.626×10-34 Js31.67×10-27 kg1.38×10...

Q: An important piece of landing equipment must be thrown to a ship, which is moving at 45.0 cm/s, befo...

A: Given: The initial velocity of ship is us=45.0 cm/s. The initial velocity of equipment is ue=15.0 m...

Q: Find the maximum height of this projectile provided with this equation

A: At maximum height, the velocity is zero. that is v=0 here the velocity is, v2=vo2+gke-2ky-yo-gk

Q: 6. For each case illustrated in Figure below, determine the moment of the force about point O. F -30...

A: Note: anticlockwise direction is considered positive Moment due to force F1 M1=rF1sinθ1=4 ft30 lbsin...

Q: Recall that density is massdivided by volume Calculate the average density of the earth in g>cm3,...

A: The mass of the Earth is M=5.97×1024 kg. The average radius of the Earth is R=6371 km. The volume o...

Q: f a photon of wavelength 0.04250 nm strikes a free electron and is scattered at an angle of 35.0° fr...

A: Given Wavelength of photon = 0.04250 nm Angle                           = 35°

Q: At a certain instant of time, a particle has the wave function y (x) А хе-x/В where b 3D 3 пт: а) No...

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Q: Suppose a 1D quantum system is represented by the wavefunction in position space: (x|½(t)) = p(x, t)...

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Q: Find the x and y coordinates of the centroid of the shape shown below via integration.

A: Solution:   The x and y coordinates of  centroid of the given shape is solved below:   From the abov...

Q: A neutral pion (ρ0) has a mass of 264 times the electron mass and decays with a lifetime of 8.4 x 10...

A: Given: The mass of pion is M=264m. The mass of tumor tissue is m1=25 g. Here, M is the mass of pio...