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Given the vector field F(x,y,z) = 2zi + (x+y)j - yzk. S (oriented upward) is the part of the plane x + y + z = 1 above the triangular region with vertices (0,0,0), (1,0,0) and (0,1,0) and C is the boundary of S with positive (counterclockwise) orientation. A) Evaluate curlFAdS B) Evaluate FAdr C) What Theorem tells us that the results of A) and B) are equal?
Consider the transformer to deliver its rated kilovoltamperes at 0.80 power factor lagging to a load on the low-voltage side with 240 V across the load. Find the highside terminal voltage.
There are three different beams and they asked us to choose which beam would you use to build an object that incurs high stress. Should I choose the beam with the lowest deflection or with the highest deflection
A current density J¯ = ˆy sin(2x) A/m^2 is subject to a z-directed magnetic field H¯ = ˆz10 A/m. a. Assuming the vacuum permeability (i.e. a non-magnetic medium), what is the magnetic flux
two identical CE amplifiers are connected in cascade. The first stage is fed with a source eVsig having a resistance Rsig= 10k ohms. A load resistance Rl=10K ohms and is connected to the collector of the 2nd stage.
Find the transfer function and the difference equation for a 2nd -order FIR filter that has unity d.c. gain, but for which the given input x(k) produces zero forced response. (Your filter will have a "notch" at the given frequency, and H(1) =1.)
The command in AutoCAD can be a time-saver, particularly when you're working in an application where you want to move a door or windows within walls on a drawing and don't want to redraw the walls.
The electric field of a uniform plane wave propagating in lossless isotropic medium is E(x,t) = 60π cos(3*108 t + 4x) αy V/m. The magnetic field at point (0,0,0) when t = 0 is 1A/m. The unit of t is second and the unit of x is meter.
The switch in the circuit has been in position a for a long time. At t=0 the switch is moved to position b. A.Calculate the initial voltage on the capacitor ifv = 200V , and i = 1.9mA . B. Calculate the final voltage on the capacitor. C. Calculate t..
What is the equivalent admittance of the circuit for Z1 = 12, Z2 = 5 - j7, Z3 = 4 + j36 and Z4 = j10 (all in ohms) Note: Z1 and Z3 are in parallel connected to Z2 + Z4 in series, equal Zt || to Z1||Z3
An interplanetary spacecraft far beyond Earth's orbit communicates with an equatorial ground station on the Earth. Calculate the maximum Doppler shift seen at X-band (8.4 GHz) due just to the Earth's revolution around the Sun and Earth's rotation ..
Determine for each of following 4 signals if it is bandlimited and, if yes, find the minimum sampling rate without causing aliasing. (a) x1(t) = cos(500pt) + sin(700pt); (b) x2(t) = sin2(50pt);
A parallel-resonant RLC circuit has R = 75 I, L=50mh, and C=45pF. A) Sketch and label the circuit. B) Find fo, the resonant frequency. C) At what frequency is impedance a maximum D) What is the magnitude of the impedance at this frequency
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