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- b. | Compare the average positions of the electron for H and He*.(a) If the position of an electron in a membrane is measured to an accuracy of 1.00 m, what is the electron's minimum uncertainty in velocity? (b) If the electron has this velocity, what is its kinetic energy in eV? (c) What are the implications of this energy, comparing it to typical molecular binding energies?2. Kittel Ch3-2. Magnetic susceptibility. (a) Use the partition function to find an exact expression for the magnetization M and the susceptibility x=dM/ dB as a function of temperature and magnetic field for the model system of magnetic moments in a magnetic field. The result for the magnetization is x = dM / dB, as derived in (46) by another method. Here n is the particle concentration. The result is plotted in Figure 3.12. (b) Find the free energy and express the result as a function only oft and the parameter x = M/ nm. (c) Show the susceptibility is x= nm²/t in the limit mB << T.
- 3. The electric field between two parallel plates connected to a 50V battery is 200OV/m. How far apart are the plates? 4. Two parallel plates, connected to a 50V powerpplyseparated by an air gap. How small can the gap be ife wg by exceenn wwvarue or E JATI have three questions about magnetic properties: 1. How is magnetic properties different for isotropic 3D bulk and 2D sheets? 2. What is Hall Effect? 3. How can Van der Pauw technique be used to determine resistivity for transport properties?5 part A: If u(C) = 0.2C. What in the uncertainty of a 500 mF capacitor in mF? 5 Part B: If C = 500 mF and R = 8000 W , and V = 5 V. What is the voltage across the resistor in an RC circuit if it started out fully charged and the time since we started charging 6 seconds ago?
- One of the mcq question I got wrong answer should be D...pls someone help me with the logic6. In a regular FCC, determine number of atoms per unit area in (1 1 0) plane 7. In a BCC unit cell, determine number of atoms per unit area in (1 1 1) plane 8. Assuming that each Au atom donates one conduction electron, calculate the drift mobility and drift velocity of the conduction electrons in gold at 20° C if the applied electric field is 200 V/cm. What is the mean free path of the conduction electrons if their mean speed is 1.4 x 10°m s ? Resistivity of pure gold at 0°C (273 K) is po= 22.8 n2 m. a, for Au from Table 2.1 is 1/251 K'. Given that Au is FCC with lattice parameter of 0.407nm. 9. Na is a monovalent metal (BCC) with a lattice parameter of 0.43nm. The drift mobility of clectrons in Na is 53 cm V's'. Calculate the electrical conductivity of Na and the mean scattering time of conduction electrons. 10. Determ ine Miller Indices for the following: A 1/21) Show that 21 x P(x) Pi-1(x) dx 412 -1
- 6- Determine the fan-out of IC 74LS04, given the following data: input loading factor (HIGH state) =0.5 UL, input loading factor (LOW state)-0.25 UL, output loading factor (HIGH state)=10 UL, output loading factor (LOW state)-5 UL, where UL is the unit load.6. For a one-dimensional wave function of the form Y(x, t) = A exp [io (x, t)] show that the probability current density can be written as h dø m Əx j= |A|²i am confused about which delta curent potential to take in consideration here to answer the questions in the attached problem #25 can you please break down the steps to answer the questions. Thank you