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A 1,200/240-V rms transformer has an impedance of 60(at-30 degrees) Ω on the high-voltage side. If the tansformer is connected to a 0.8(at 10 degrees) Ω load on the low-voltage side, determine the primary and the secondary currents when the transformer is connected to 1200 V rms.
A DC motor has the following characteristics. Rating: 35kW Operation: 350 V, draws 90A, operates at a speed of 1100 rev/min when supplying full load. Shunt: Field resistance is 150 Ohm and armature resistance is 0.5 Ohm
Describe the characteristics of the series RC filter circuit with the outpu across the resistive component. Distinguish the pass and stop bands with reference to the cutoff frequency. Also state what happens to the circuit complex impedance at the..
A coaxial cable connects a 50W transmitter to an antenna with a feed impedance of 200W. The operating frequency is 900MHz and the cable has a velocity factor of 0.66. Determine the characteristic impedance and length of the cable.
64-bit ripple-carry adder and a 64-bit carrylookahead adder with 4-bit blocks. Use only two-input gates. Each two-input gate is 15μm2, has a 50 ps delay, and has 20 pF of total gate capacitance. You may assume that the static power is negligible.
Use a K-Map to simplify the function F(A,B,C,D) = Σ(0,1,2,3,8,9,10,11). Design a circuit that implements this function. Write the VHDL code.
A laser (wavelength fo = 633 nm) is generating a Gaussian beam with 0.1 mm beam waist (2wo). (1) Find the beam's divergence angle and depth of focus (2) What will be its diameter when it reaches Moon
The floor causes couple moments Ma =60 Nm and Mb =35 Nm on the brushes of the polishing machine. What force F is required by the operator so that the resultantmoment on the polisher is zero. Set a = .3 m.
A data acquisition system is placed in the vicinity of a noise- and interference-producing source (such as an AC motor, a fluorescent light, high power transmission lines, or any EMF radiator).
For the discrete signals defined as the following: x[0]=4, x[1]=1, x[3]=-1, x[n]=0 for all other integers n. v[0]=1, v[1]=-2, v[2]=3, v[3]=-4, v[n]=0 for all other integers n. Compute the convolution x[n]*v[n] for n
pole-zero configurations of certain filters are shown in Fig.P5.6-1(Linear Systems and Signals (2nd) by Author: B. P. Lathi). Sketch roughly the amplitude response of these filters.
Consider the following function of t, f(t)=1/a[u(t-T0)-u(t-T0-a)]. Here both T0 and a are positive numbers. If you pick some value for T0 and a you discover that you have a rectangular pulse starting at T0 having width a and height 1/a.
Let X be a zero-mean random variable having a variance of 9 and let Y be another zero-mean random variable. The sum of X and Y has a variance of 29 and the difference of X and Y has a variance of 21.
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