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Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 6cm and the distance between the two conductors is 3m.
An LED is rated at VF=1.6V to 2.0V at IF=20mA. What value of series resistance is needed to limit the LED current to 20mA when this LED is connected to a 32 v peak source (that is, a source having a peak voltage of 32 v)
In order to eliminate the cost of calling cards, the company in the above problem is considering a new policy that requires blocked callers to redial over and over until they get a trunk.
A 10 kHz signal modulates a 500 MHz carrier, with a modulation index of 2. What are the maximum and minimum values for the instantaneous frequency of the modulated signal
b. If the opamp is configured as a non inverting amplifier with voltage gain of 100, what bandwidth will the circuit have c. With the same configuration (gain of 100), what is the maximum input for linear operation (limited by VCC)
A pulsar lies 1000 light years from Earth. The average plasma concentration is 1 el/cc. Using the plasma dispersion relationship for group speed, what is the group delay between a pulsar pulse received at 1 GHz and at 800 MHz
Draw the logic diagram for the following Boolean expressions. The diagram should correspond exactly to the equation. Assume that the complements of the inputs are not available. a.) XYZ+X'Y'+X'Y'
Compute the power absorbed by an element in a circuit, but for a simple sinusoidal current i = sin(2πt/T) where T = 1 s.
Sketching the Dependence of l versus h on Cartesian Axes, The distance l from a point at a height h above the Earth's surface to the horizon can be approximated using Pythagoras theorem by the expression:
A differential amplifier stage has collector resistors of 5.1 Kohms each. If Ic1 = 1.35 mA and Ic2 = 1.29 mA, what is the differential output voltage.
Plotting Continuous time signal, Consider the following continuous signal: x(t) = 10e^-3t u(t) Using Matlab, plot the continuous-time signal over the range -1=
Calculate the torsional spring stiffness constant for a steel shaft 0.5" in diameter and 2.5 ft long.
What is the modulation used to transmit HDTV signals over the air in US terrestrial broadcasting? What is the transmitted bit rate and the compression method?
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