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Determine the frequency at which a 50-µF capacitor has the following capacitive reactances:
a. 342 Ω
b. 684 Ω
c. 171 Ω
d. 2000 Ω
A binary PAM communication system is used to transmit data over an AWGN channel. The prior probabilities for the bits bn are P[bn= 1] = 1/3 and P[bn= 0] = 2/3. Determine the optimum threshold (to be compared with the demodulator output) at the dete..
A copper wire of diameter 1.8mm carries a steady current i of 1.3A. What is the drift speed of the conduction electrons in the wire
At what forward voltage does a diode conduct a current equal to 1000 Is. In terms of Is, what current flows through the same diode when its forward voltage is 0.7V.
Determine the frequency of the waveforms of Problems, and compare the magnitude of the derivative.- Plot the following waveform versus time showing one clear, complete cycle.
A 480 V permanent magnet ae motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 W per phase. Core losses are 100 W. Mechanical losses arc 250 W.
An ac/dc half-wave SCR circuit is used to energize a resistive load. At a triggering angle of 30°, the average voltage across the load is 45V.
A step up chopper is used to deliverload stage of 500V from a 220V DC source. - if the blocking period of the thyristoris 80micro sec the required pulse width is?
A control systems problem from Electrical Engineering. Please provide detailed solution of the given problem. Given the following electromechanical system with N1 = 4, N2 = 2, N3 = 6 , N4 = 3 all other mechanical and electrical components equal to a ..
the power deliverd to a three phase Y-connected load is 3kw and the line-line voltage is 380v the load power factor is 0.85 lagging. determine the load current and impedance
For the differential amplifier shown in Fig. 4-8, R1 and R2 are 1% resistors with values of 4.7 k Ω and 270 k Ω, respectively.
Use the simulation timing diagram to compare the worse case time to do an operation with your ALU with the worst case using the 74LS381. State which operation takes the longest and list the time required for both ALU's.
What is the relation between the conductance and the capacitance of two parallel conductors immersed in a lossy dielectric medium that has permittivity and conductivity?
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