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A 120V wye connected, 60Hz synchronous motor has a synchronous reactance of 3 ohms and an armature resistance that can be ignored. The motor draws 17 kVA at 0.8 pf leading. What is the motor armature current?
Design a sequential Mealy circuit with two inputs A and B, and output X using JK flip-flops. The circuit produces an output X = 1 when it detects the sequence of either A = 00 or B = 11, otherwise X = 0.
Calculate the percentage second harmonic distortion present in the output. Calculate the percentage error in the output voltage compared to its ideal value at the instant of time when t= 1/3200 seconds.
Consider a magnetic dipole carrying a current I. a. Calculate the magnetic flux density B at a point P specified in spherical coordinates. Express the answer in terms of the magnetic dipole moment m. Justify all the assumptions adopted.
Build a 1Gbps link as long as possible without regeneration. Assume a transmitter power of 1mW and a receiver sensitivity of -30dBm for a BER of 10^(-9). The dispersion at 1.5 micron is 20 ps/km.nm, and the attenuation is 0.25 dB/km.
If an amplifier has an internal resistance of 500O, what turns ratio must be used to get maximum power transfer to a load of 4O.
A radio receiver has antenna noise temperature of 3000 K and equivalent noise temperature of 7000 K for its feeder and amplifier cascade. It requires Eb/No = 15 dB to provide Probability of error of 10^-15 (using BPSK).
the cut-off frequencies of a series resonant circuit are 5400 Hz and 6000Hz. a. find the bandwidth of the circuitb. If Qs is 9.5 , find the resonant frequenciy of the circuit c. if the resistance of thecircuit is 2 ohms, find the value of Xl andXc at..
Description of Transformer, An 11 kV to 415 V transformer has a rating of 100 kVA. The winding resistance and leakage reactance when referred to the secondary are 0.0142 Ohm and 0.0569 Ohm respectively
Which elements in the circuit are in parallel. what is the relationship between Va and Vb. Given that Va= 12V and V= 7V, determine the values of Vb and Vd.
A certain voltage is + 14.7 V for 24.8 ms and -14.7 V for the succeeding 24.8 ms and continues oscillating back and forth between these two values at 49.6 ms intervals. The voltage is present across a 64 resistor.
Create a circuit of three level-sensitive D latches connected in series. Use a timing diagram to show how a clock with a long high time can cause the value at the input of the first D latch to trickle through more than one latch during same clock ..
Which sample produces greater Hall voltage: long and narrow or short and wide Thickness (d) is same in both the cases. With little explanations please. 1) If the concentration of scattering centers increase in the semiconductor, would it increase o..
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