Don't Use Chat GPT Will Upvote And Give Handwritten Solution Please Sections of two wires with a conventional current I = 0.013 A and diameter D = 0.5 mm are shown below. The electron mobility incopper is about 4.5 x 103 (m/s)/(N/C), and the density of mobile electrons is 8.4 x 1028 m3. The electron mobility in nichrome is about7 x 10-5 (m/s)/(N/C), and the density of mobile electrons is 9 × 1028 m³.Part 1DWire 1-copperDWire 2 - nichromeWhat is the electron current i through each wire?i =iPart 4electrons/sWhat is the ratio of the drift speed in each wire, U₂/₁?₂10= iSave for LaterPart 5What is the ratio of the electric field magnitude in each wire, E₂/ E₁?E2/E1 = iAttempts: 0 of 4 usedSubmit Answer

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Answered: Sections of two wires with a…

Understanding Motor Controls

4th Edition

ISBN:9781337798686

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter44: Semiconductors

Section: Chapter Questions

Problem 2RQ: The atoms of a material used as an insulator generally contain ___________ valence electrons.

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At room temperature (20°C) the electrical conductivity of Gallium phosphide (GaP) is 63 (2.m)–1, whereas the electron and hole mobility are 0.24 and 0.057 m²/V-s, respectively. a) Compute the intrinsic carrier concentration for GaP at room temperature, (q=1.6 x 10 -19 c). b) If the energy gap of GaP is 0.92 eV, calculate its conductivity at 70°C (k= 8.62 x 10 eV/K). -5
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The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine, cytosine, and guanine). Because of the geometric shape of these molecules, adenine bonds with thymine and cytosine bonds with guanine. The figure (Figure 1) shows the thymine- adenine bond. Each charge shown is te, and the H-N distance is 0.110 nm
An optical fiber for telecommunication is made of SiO2 glass (density = 2.20 Mg/m'). How many Si atoms and how many O atoms are present per millimeter of length (L=1 mm) of a fiber 10 um in diameter (d=10 mm)? Given: M(Si)=28.09 g/mole M(O)=16 g/mole Avogadro's Number: AN = 0.6203 (10)24
The atoms of a material used as an insulator generally contain ___________ valence electrons.
Copper is a typical face-centered-cubic metal. In its pure state, it has extremely high electrical conductivity. Oxygen in copper causes a major reduction of conductivity. To investigate this issue further, I want to you to tell me whether oxygen atoms substitute for copper atoms, or if they enter interstitial sites.
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4. Square lattice. Consider a square lattice in two dimensions with the crystal potential U(x, y) = -4U cos(27x/a) cos(2ny/a). Apply the central equation to find approximately the energy gap at the corner point (π/а,л/a) of the Brillouin zone. It will suffice to solve a 2x2 determinantal equation.
In class we showed that for a Lennard-Jones 6/12 interatomic potential one would predict theideal strength of a material to be −2.69U 0 a03 , where U 0 is the bond energy and a0 is theequilibrium bond spacing. Based on the same assumptions, show that Young’s Modulus, E, isgiven by −72U 0 a03 . Assuming U 0 = −1 eV and a0 = 2 Å , provide an order of magnitudeestimate of E in GPa. (While both the predicted ideal strength and value of Young’s modulus area bit on the high side when using the Lennard-Jones 6/12 potential, their ratio (72/2.69 ≈ 27), isrepresentative of that for many materials. In other words, Young’s modulus can be expected tobe ~30 times the value of a material’s ideal strength, which is typically 10-100 times its actualyield strength, making values of Young’s modulus typically ~1,000 times the yield strength.
The free charge density in copper is 1.81x1010 C/m 3 . For a current density of 8x106A/m2, solve the electric field intensity and the drift velocity.Look at the table for more information.
A piezoelectric material has a Young’s modulus of 72000 MPa. What stress is required to change its polarization from 640 C/m2 to 645 C/m2?
If 5.8x1020 electrons are deposited on the positive plate of a capacitor by applied voltage of 40V, find the capacitance of the capacitor? (Analysis)

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