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A cable of radius conductivity k and specific heat moves through a furnace with velocity U and leaves at temperature T Electric energy is dissipated in the cable resulting in a volumetric energy generation rate of , or . pco qc.
Outside the furnace the cable is cooled by convection and radiation. The heat transfer coefficient is h, emissivity H, ambient temperature T and surroundings temperature is T Use a simplified radiation model and assume that the cable is infinitely long.
Write the steady state two-dimensional heat equation and boundary conditions.
A 24 signal each of 5kHz base band bandwidth are FDM multiplexed using SSB sub carrier modulation. the composite multiplexed signal y(t) is frequency modulated using100MHz carrier frequency.
A 20kg of aluminum block initially at 80C is dropped into an insulated tank that contains 120 liter of water at 25C. Determine the final equilibrium temperature and the total entropy change for this process.
the doping level of N-type semiconductor is ND = 5x10^19 cm^-3. Determine the room-temperature position of the Fermi level (with respect to the borrom of the conduction band) if the semiconductor is Si (Nc = 2.86x10^19).
The percentage of aliasing level at the cutoff frequency
Show that for a charge distribution whose total charge is zero, the dipole moment of the distribution is a characteristic constant and does not depend on the location of a rectangular system of coordinates used for the calculation of the dipole mo..
Develop a functional design for a system that measures and displays the speed of a bicycle. Be sure to clearly identify the design levels, function requirements, and theory of operation for each level.
derive the expression for the short-circuit current gain of a bipolar transistor. Assume a unilateral device, where Cc = 0.
A rectuangular coil having area 5 X 10^-4 m^2 and 60 turns in pivoted about one of its vertical sides. The coil is in a radial horizontal feild of 90 G. What is the torsional constant of the hair spring connected to the coil.
water flows in a circular pipe. at one section the diameter is 0.3 m the static pressure is 260 kpa gage the velocity
find the force between a charged circular loop of radius b and uniform charge density P l and a point charge Q located on the loop axis at a distance h from the plane of the loop. What is the force when h>>b, and when h=0
Find the LMMSE predictor of x[n] given x[n - 1] and x[n - 2]. Also determine its corresponding mean square error.
The lens-makers' equation applies to a lens immersed in a liquid if n in the equation is replaced by n2/n1. Here n2 refers to the index of refraction of the lens material and n1 is that of the medium surrounding the lens.
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