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Suppose that a voltage given by v(t) = 45 sin(100pt- 70°) is applied to a 9 O resistance. Sketch v(t) to scale versus time (make sure to put the labels on graph). Find the rms value of the voltage.
Assume a binary PCM system in which the system ratio of the bit energy to the one-sided noise density at the receiver input is 10 dB. Assume that the probability of error for any value of the independent variable off the scale can be approximated ..
What is the change in the potential energy of the charge Q=1nC that has been moved from the point with the potential 2V to the point with the potential of 5V
(a) Find the electric field intensity using Cartesian vectors, Ecart, at the free space point P(-2.00 m, 5.00 m, 2.00 m). (b) Find P in spherical coordinates. (c) Find the electric field intensity using spherical vectors, Espher.
To understand di erent signal models To be able to model a discrete-time system and design simple signal processing algorithms.
A 150-MVA 15/200-kV single-phase power transformer has a 0.018ohm resistance and a 0.075ohm reactance. The magnetizing impedance is j80 per unit. a.) Find the equivalent circuit referred to the low-voltage side of this transformer.
A 5.88-g bullet is moving horizontally with a velocity of +340 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface.
Consider a PCM-TDM system in which 24 signals are to be processed. Each signal has a baseband bandwidth of 3 KHz. The sampling rate has to be 33.3% higher than the theoretical minimum, and 8 bits are to be used.
A magnetic pickup coil is being used to make measurements which areproportional to the time derivative of the magnetic flux density, dB/dt. You wishto integrate this signal to get the magnetic flux density, B.
How much we need to pay for the electricity cost in 61 days when a water-desalination machine runs normally from 8AM to 4PM every day. (It draws 25A in its warming-up time (15 minutes) and draws, on average, 7A in its normal working time at 240V).
A generator is rated at 500 MVA (three phase) and 22 kV (line-to-line). Its Y-connected windings have a reactance of 1.1 per unit. Find the ohmic value of the reactance of the windings. What is the per unit value if we change the base to 200 MVA a..
An RLC circuit exists, with current flowing counter clockwise through it. R= 5.661 Ohms, L=20.2 mH, and C=157.6?F. Voltage across the capacitor is positioned so that the current meets the positive terminal first.
A 60-Hz, 765-KV three-phase overhead transmission line has four ACSR 900 kcmil 54/3 conductors per phase. Determine the 60-Hz resistance of this line in ohms per kilometer per phase at 50 degrees Celsius.
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