Derive the propagation delay of an aluminum wire that is 2 cm long and 500 nm wide. Does using a lumped model introduce significant error? You may assume a sheet resistance of 0.075 /2 if needed.
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Derive the propagation delay of an aluminum wire that is 2 cm long and 500 nm...
A solenoid 10 cm in diameter and 630 cm long is made from copper wire of diameter 0.050 cm, with very thin insulation. The wire is wound onto a cardboard tube to make a solenoid. (a) Determine the resistance in the wire. You may take the resistivity of copper to be 1.68 times 10^-8 Ohm m. (b) The number of turns in the wire is ten. Find the current necessary to produce a magnetic field of strength 1.5T. (c) How...
Need Help!! Physic Part 7 only. Problem 19.72 (Multistep) A bent bar A 43 cm long high-resistance wire with rectangular cross section 7 mm by 3 mm is connected to a 12 volt battery through an ammeter, as shown in the figure. The resistance of the wire is 58 ohms. The resistance of the ammeter and the internal resistance of the battery can be considered to be negligibly small compared to the resistance of the wire. Leads to a high-resistance...
A long wire with circular cross section and diameter D = 1 mm is submerged in an oil bath with temperature To 20。C. The wire is initially at temperature T = 20。C, the same temperature as the oil. A current is passed through the wire, resulting in a volumetric heat generation of q - 1.5 x 108 W/m3. The convection coefficient is h - 500 W/m2 - K, and the properties of the wire are ρ-8000 kg/m3, Cp-500 J/kg-K, and...
1. 2. 3. Part A What is the resistance of a 1.5-m-long copper wire that is 0.30 mm in diameter? Submit My Answers Give Up Part B What is the resistance of a 10-cm-long piece of iron with a 1.5 mm x 1.5 mm square cross section? Express your answer using two significant figures Submit My Answers Give Up
one important factor in the total delay of a store-and-forward packet-switching network is how long it takes to store and forward a packet through a switch. If the switching time of each switching device is 1 microsecond, is this likely to be a major factor in the response of a client-server system where the client is a computer you use to access the internet, and the server is somewhere in Europe? Explain your answer. You can assume the average propagation...
Question #2 (20pts) (Begin your solution on a new page) Kanthal Dwire is an alloy of Iron, Chromium and Aluminum. It has an electrical resistivity, p (rho) of 1.35x10-cm. Assume that you are using Kanthal D wire as a heating element. The wire has a rectangular cross section and measures 0.00555 inches thick by 1/32 inch wide. Reminder: 1" = 2.54 cm a- (10 pts) What is the total electrical resistance of a 1 cm long piece of Kanthal Dwire?...
2-157 A long electrical resistance wire of radius r.-0.25 cm has a thermal conductivity kwire-15 W/m-K. Heat is generated uniformly in the wire as a result of resistance heating at a constant rate of 0.5 W/cm3. The wire is covered with polyethylene insulation with a thickness of 0.25 cm and thermal conductivity of ks 0.4 W/m K. The outer surface of the insulation is subjected to free convection in air at 20°C and a convection heat transfer coefficient of 2...
A square coil, enclosing an area with sides 2.0 cm long, is wrappedwith 2 500 turns of wire. A uniform magnetic field perpendicular to its plane is turned onand increases to 0.25 T during an interval of 1.0 s. What average voltage is induced in thecoil?
A long straight wire carrying a current of 2.03 A moves with a constant speed v to the right. A 120 turn circular coil of diameter 1.50 cm, and resistance of 3.25 u 2, lies stationary in the same plane as the straight wire. At some initial time the wire is to the left of the coil at a distance d = 13.0 cm from its center. 5.00 s later, the wire has moved to the right of the coil...
7. The yield stress of a tension specimen machined from a 2-m wide by 0.6-cm thick copper sheet is 145 MPa. The sheet is rolled further with an applied tensile force in the plane of the sheet of 0.22 MN. What roll pressure is needed to just cause yielding? You may ignore friction between the metal and the rolls. For rolling, the deformation occurs by plane-strain in which there is no increase in the width of the sheet. You may...