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a 230-V shunt motor, having an armature resistance of 0.05 and a filed resistance of 75, draws a line current of 7 A while running light at 1120 rpm. the line current at a given load is 46 A. determine
a) the motor speed at the given load,
b) motor efficiency, and
c) total core and mechanical losses.
find the fourier series coefficients of z(t) (use the results of a) and b) along with the multiplication property of continuous time fourier series coefficients). find the fourier series coefficients of z(t) through direct expansion of z(t) in tri..
How did the integration of online custom board design software (CBD), CAD, and computer numerical control (CNC) improve Firewire's operations?
Study code acquisition in frequncy hopping spread spectrum communication systems.Describe and explain why it is necessary.Design and demonstrate a code acqusition method.
a series rlc circuit has a 4ohm resistor an inductor with an xl of 19.5 ohms and a capacitor with an xc of 12 ohms.
Two resistors are to be combined to form an equivalentresistance of 1000 Ω (or close to it). Readily available are two common resistors rated at 2000 Ω. To ensure the resistors are rated correctly, a studentmeasures the resistors using an ohmmeter an..
b) Draw the LFSR circuit to generate the CRC. Generate the CRC by applying the data pattern to the LFSR and verify the answer in part a. c) An error vector is given by X7+ X6+ X4+ X3+1. What is the received bit pattern corresponding to part a
If power Ps=10W, power gain factor G1=150, and power gain G2=14 dB, find the maximum value of LdB (path loss in dB) such that the power delivered to the resistor is -85 dBm.
In 1988, the average wage rate was $9.45 an hour and in 2008 the average wage rate was $18.00 an hour. The CPI in 1988 was 118.3 and in 2008 it was 215.3 . Which real wage rate is higher?
How many pulses per second must be supplied to the control unit of the motor in Problem 9-8 to achieve a rotational speed of 600 r/min?
Suppose users share a 1Mbps link. Also suppose that the traffic generation process of each user alternates (independently of the other users) between periods of activity (active modes), when the user generates data at a constant rate of 100 Kbps
Assume that the initial energy stored in the inductors shown in the circuit is zero. Find the equivalent inductance with respect to terminals a and b
Point charge between parallel conducting planes. Consider a charge embedded in a dielectric material as shown in Figure 5.41. The dielectric is bound by two parallel plates, each held at a constant potential V0.
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