Example: A conducting line on an IC chip is (2.8 mm) long, and has a rectangular cross-section (1x4 um). A current of (5 mA) produces a voltage drop of (100 mV) across the line. Determine the electron concentration given that the electron mobility is (500 cm?/V.Sec.).
Q: 1. An 8.0-nF capacitor with an initial charge of 10 mC is discharged through a 5-k2 resistor. (a)…
A: Concept: Given: Capacitance of the Capacitor (C)= 8 nF Charge (Q)= 10 mC Resistance (R)= 5 kΩ (a)…
Q: Let's say you have a 20 cm long silicon wire, with a diameter of 4 cm. What current flows through…
A: Write the given values with suitable variables. L=20 cm=0.2 mr=4 cm2=0.02 mV=1000 Vρ=2300 Ω.m Here,…
Q: Rz '3 Ri Find the current through R1 = 42 kQ and R2 = 48 k2 from the figure given. Here E = 8 V and…
A: Given: The resistance of the resistor (R1) is 42 kΩ. The resistance of the resistor (R2) is 48 kΩ.…
Q: A 2-meter extension cord is made out of copper wires with a 6 mm diameter. How thick should the…
A: Here given a 2 m extension cord is made out of copper with a 6 mm diameter. We have to calculate the…
Q: a) What is Hall Effect? Explain briefly.
A: Given : To explain hall effect.
Q: How long must a 0.54-mm-diameter aluminum wire be to have a 0.54 A current when connected to the…
A: Given that ,Diameter of the aluminium wire D = 0.54 mm = 0.54*10-3 mcurrent I = 0.54 Avoltage V =…
Q: Two copper wires A and B have the same length and are connected across the same battery. If Rg= 4RA,…
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Q: The following graph represents the charge-discharge profile of a Li-ion battery in the 1st and 50th…
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Q: In the last column in the data table, it says that it's about voltage(v) divided by current(A) is…
A: You're correct in your interpretation of the equation V/A = ohms, where V represents voltage…
Q: Needs Complete solution with 100 % accuracy Don't use chat gpt or ai plz plz.
A: Step 1:Step 2:
Q: The current I is measured through a sample of an ohmic material as a voltage V is applied. (a) What…
A: Given data: The original voltage is: V The new voltage is: V’ The original current is: I The new…
Q: The resistivity of copper at room temperature is 1.7x10-8 Qm. A copper wire of 100 m long and 2 mm…
A: Given: Resistivity of copper, ρ=1.7×10-8 Ωm Length of wire, L=100 m Diameter of wire, d=2 mm=2×10-3…
Q: A thin-film nichrome resistor in the form of a rectangle of dimensions 1mm x 5mm is deposited on to…
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Q: 1. What is the conductance of device consisting of two concentric metal shells, the inner one having…
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Q: A wire made of metal with resistivity ρ and with temperature coefficent a. If the wire has length L…
A: Write the expression for the resistance in terms of resistivity.Here, A is the cross-sectional…
Q: Question 1. (a) What is composite? Please write the name of few composites. (b) Calculate the…
A: A supercapacitor or ultracapacitor is a high capacity capacitor with a capacitance value much…
Q: The current density in a wire diameter 1-02 mm is 1.75x 105 Alm2. the number of free electrons per…
A: Given data: Diameter of the wire, d =1.02mm Current density, J =1.75×105 A/m2 Number of free…
Q: Find the current density and drift velocity of free electrons when the particles travel on a copper…
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Q: TRANSCRIBE THE FOLLOWING TEXT IN DIGITAL FORMAT
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Q: A current of one amp passes through a wire of cross sectional area 1 cm?. The number of electrons…
A: Given Current I = 1 Amp Area A = 1 cm2 = 10-4 m2 Charge on electron e = 1.6 × 10-19
Q: What is the current in milliamperes produced by the solar cells of a pocket calculator through which…
A: Charge, Q=4 CTime, t=4.5 hours=(4.5)(3600)=16200 s
Q: An aluminum wire with a diameter of 0.105 mm has a uniform electric field of 0.235 V/m imposed along…
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Q: IF a alloy containing a resistivity of 1.1 × 10−6 Ωm. From a roll of wire of 2 mm diameter, a length…
A: Given Resistivity ρ = 1.1 x 10-6 ohm.m Diameter D = 2 mm = 2 x10-3 m Length L = 1.5
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- Problem 1: The voltage across a membrane forming a cell wall is 83 mV and the membrane is 7.75 nm thick. What is the electric field strength in the cell wall, in volts per meter?160% P 2:35 Asiacell I. H.W -2.pdf H.W -2 6. For the circuit board in Fig. 7.66: a. Find the total resistance Ry of the configuration. b. Find the current drawn from the supply if the applied voltage is 48 V. c. Find the reading of the applied voltmeter. 6.8 kf V 1.2 k? 3.3 kN 2 kn Rr - 2.4 k2 48 V FIG. 7.66 Problem 6.In a given fluid, positive ions, each with 1 excess protons, move to the right at a steady rate of 1.9 × 1019 ions per minute and negative ions, each with 4 excess electrons, move to the left at a rate of 4.8 × 1019 ions per minute. Determine the current directed to the right. Use the fundamental unit of charge to be C. Determine the current (in amperes) to the right. Express Answer into FOUR decimal places.
- Answer this problem in Physics. Answer it in this manner: data given, equation used, substitution/computation, and answer:2) Resistivity is a property of a particular material and can be used to calculate the resistance of a sample. a) Provide an equation for calculating the resistivity of a material. b) Calculate the resistance of 50m roll of copper wire which has a cross sectional area of 5mm^2 if the resistivity of copper is 1.72 x 10^-8 ohm metres.Please help because I don't know what I did wrong...final units is correct but the my value is wrong.
- Part A:If there is an annealed copper wire with resistivity 0.172 nano ohm meters and a diameter of 2mm placed in an electric field of 16,000N/C, then how much current will go through the wire? Part BIf this wire (the same as in part A) has an electron density of 8.5x10^28 m^-3 then what is the drift velocity of the electrons in this wire? The charge of each electron is, as usual, 1.602x10^-19C.Problem 3: A 1.2 g wire has a density of 2.7 g/cm3 and a resistivity of 2.7 × 10−8 Ωm. The wire has a resistance of 15 Ω. a) How long is the wire? b) The wire is made up of atoms with valence 1 and molar mass 26.98 g/mol. What is the drift speed of the electrons when there is a voltage drop of 30 V across the wire?A cylindrical, ohmic, uniform conductor is placed in a uniform electric field that points from bottom to top along the axis of the conductor, which is aligned with the z-axis. Which of the following statements is correct (select all that apply)? Group of answer choices A)The current density does not depend on r or φ B)The current density is proportional to the conductivity C)The current density is proportional to the cube of the conductor's radius D)The current density is inversely proportional to the cross-sectional area of the conductor