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3 phase long line has constant A=0.8698 (angle 2.36) B=186.9(angle 75.15) both the sending end and the reci end line voltage are to be mainained at 154 kV. find the reactive vars which the compensation equipment must supply to maintain the voltage profile (a)when the line supplies load of 50 Mva at 0.85 p.f lagging (B) when the line is open circuited at the recieving end.
A sled is traveling at 4 m/s along a horizontal stretch of snow. The coefficient of kinetic friction is 0.05 . How far does the sled go before stopping ?
What is the equivalent (total) resistance of 100, 200, and 50 resistors connected in series What is the equivalent (total) resistance of 100, 200, and 50 resistors connected in parallel
(a) Three volts is applied across a 1-cm-long semiconductor bar. The average electron drift velocity is 104 cm/s. Find the electron mobility. (b) If the electron mobility in part (a) were 800 cm2/V-s, what is the average electron drift velocity
A circuit consists of a battery connected to three resistors (60ohm , 30ohm , and 180ohm ) in parallel. The total current through the resistors is 1.9A . Find the emf of the battery.
Let the probability of a bit error be p, and the length of a data frame be N. Find the probability of 1, 2, 3, and 4 bit errors occurring in the frame. a) Tabulate the results for N = 1000, 10000, and 100000 bits, for p = 10-6, 10-8, and 10-14
Suppose the suspension system of the average car can be fairly well modeled by an under damped harmonic oscillator with a natural period of 2 seconds. How far apart should speed bumps be placed so that a car traveling at 10 miles per hour
Find the charge on the capacitor in an LRC series circuit at t = 0.01 s when L = 0.05 h, R = 2 O, C = 0.01 f, E(t) = 0 V, q(0) = 5 C, and i(0) = 0 A. Determine the first time at which the charge on the capacitor is equal to zero.
An air-standard Otto cycle has a compression ration of 9. At the beggining of compression, p1=100 kPa and T1= 300K. The heat addition per unit mass of air is 1350kJ/Kg. Determine. a) the net work, in kJ of air. b) the thermal efficiency of the cyc..
The laminated silicon steel core of a transformer has a mean length of 0.06 m and a cross section of 0.005 meter square. there are 150 turns on primary winding and 450 turns on the secondary. the input is 200 V rms at 50 Hz.
The source has an abc-phase sequence. At the wye-connected load, the phase-a voltage Va'n' has phase angle (theta)a'n' = 60 degrees and the phase impedance is (10 + j15) ohms. Further, the line impedance per phase is (1.1+ j1.5) ohms
A current source, Is =16.5cos(2300t) A, a resistor R=134Ω, and an inductor, L=0.12H are all in parallel. Assume steady-state conditions exist. At t=3.9ms, find the power being absorbed by the a.)resistor, b.)inductor, c.) sinsuoidal source
determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2.
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