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An LTI (linear, time invariant) instrument has the followingimpulse response:h(t)=100e -100t +100e -50tsin(50√(3)*t)/√(3) -100e -50tcos(50√(3)*t)
At time zero the system is excited with 0.1Hz cosine wave ofamplitude 2. What is the output amplitude in steady state? How long does the system require toreach the steady state?
To avoid reflections, an X-band waveguide section λg/4 in length is inserted between the two. Assume dominant mode propagation and that the match is at 10 GHz. a) Determine the required wave impedance of the λg/4 section
If you were the operator for an squirrel cage induction machine, what options could you consider to control speed Describe and mention pluses and minuses of each.
A capacitance C=35 uF is in parallel with a certain element. Identify the element, given that the voltage and total current are v=150sin3000t(V) and i of tau=16.5sin3000t+72.4 degrees (A)
A point source light of 9000 cd is mounted 3.3m above the centre of a work bench.The bench measures 4m x 4m, what is the illumination on the corners of the bench ?
draw the sympol and truth table of the gate that corresponds to the action of the logic gate.
The output of an exclusive-NOR function is false only if exactly one of the inputs is true. Show the truth table of a two-input exclusive-NOR function, and implement it using AND gates, OR gates and NOT gates.
Given the function 10sin^2(10t) Find the fundamental frequency and period. Find the exponential and trigonometric coefficients of the Fourier Series. so T=pi/10. f is 20
A 20-hp, 250 V shunt-DC motor has an armature circuit of 0.22 ohms and a field resistance of 170 ohms . At a low-load, the speed is 1200 rpm and the armature current is 3 A. At full-load, the current is 55 A, and the flux is reduced by 6%
Assume that a load Z absorbs power of 150W at a lagging power factor of 0.8, and the voltage across the load Z is 220Vrms, 50 Hz. What must be the value of capacitor that needs to be connected in parallel with the load Z
Consider a multimode silica fiber that has a core refractive index of n1 = 1.48 and cladding index n2 = 1.46. Find the critical angle, numerical aperture and the acceptance angle.
TDMA has 416 frequencies in one of the cellular license bands. If a cellular operator designs a network with a 5/15 reuse pattern, how many frequencies per cell (sector) can be supported? ( ignore control channels)
In a balanced three-phase system, the abc phase sequence source is wye connected and Van=120
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