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Assuming that the current through and inductor is i l(t) = 10exp(-t/3). Find at what time this current dropped by 50percent of its initial value.
If a signal is digitized at a sampling rate of 20kHz centered at 10 kHz, at what frequency would a signal at 22 kHz appear
A spaceship moves at a speed of 0.85 c away from theEarth. It shoots a star wars torpedo toward the Earth at aspeed of 0.80 c relative to the ship. What is the velocity of the torpedo relative to the Earth
Two balanced three-plia.se loads that are connected in parallel are fed by a three-phase line having a series impedance of (0.4 + j2.7) ohm per phase. One of the loads absorbs 560 kVA at 0.707 power factor lagging
Several of the voltages associated with certain circuit are given by V12 = 9 phase angle 30 degrees V, V32 = 3 angle 130 degrees V, and V14 - 2 angle 10 degrees V. Determine V21, V13,, V34 and V24
If the output of a low-pass RC filter is 12 dB below its maximum at f = 1 kHz, then how far below the maximum will the output be when f = 10 kHz
An infinite planar sheet of charge, with surface charge density rho_s = 3 µC/m^2, is positioned in the x-y plane. Find the E and D fields above and below the plane, assuming that the relative permittivity of the medium
A resistor R is in series with a parallel LC circuit. The individual component values are R=150ohm, XL=j100ohm, Xc=-j50ohm. what is the total sorurce current, Is?
Where x(t) is the input and y(t) is the output. a.] Find the impulse response h(t) of the average. Is the system causal b.] Let x(t) = u(t). Find the output of the average.
Discuss why phasor analysis can only be performed on single-frequency circuits. For multiple frequencies what type of analysis must be performed.
A 2 GHz and 100 Watt transmitter is connected to a transmitter antenna with a gain of 12 dB. A 20 dB receiving antenna is placed 10 kilometers away, in what we assume to be free space, in the direction of maximum gain.
For a unity feedback system with forward path transfer function (Open-loop transfer function) as follows G(s) = 5000/ s(s + 75) derive closed-loop transfer function
For a certain source-free parallel RLC circuit, R=1k-ohm, C=3uF and L is such that the circuit response is overdamped. Write an equation for the voltage across the resistor if it is known that v(0-) = 9V and dv/dt|t=0+= 2 V/s
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