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Draw an accurate phasor diagram of the four voltages from the R-L-Ccircuit. Derive three expressions for the phase angle between Vsand Vr from the phasor diagram.
Find the overall repeater Pe in problem 1 if the total length of the system is 600 miles and if the required repeaters that are spaced out about 50 miles per repeater. Hint: Find the total number of repeater need and multiply it by the individual P..
Compare and contrast transmit and receive diversity. Describe how each diversity type lead to an improvement in system performance.
A 22-kw load is powered by a 68-hz, 480-V(subscript rms) line with a power factor of 0.8 lag . Calculate the parallel capacitance required to correct the power factor to 0.9 .
A transmission line segment with Zo=50 Ohms and of length l is terminated at a load resistance of RL that can be varied. Sketch the input impedance Zin as a function of RL if (a) l=(wavelength/4) and (b) l=(wavelength/2).
A Y-connected three phase supply has a balanced voltages of 110e^j0, 110e^(j2/3) and , 110e^(j4/3). The corresponding impedances on the Y-connected load are 30, 30+j40 and 40+j30 ohm.
A box of mass 20kg is slid down a ramp inclined at 20 degree with an initial speed of 5 m/s. If the box stops after 10 m, what was the coefficient of kinetic friction between the box and the ramp
The voltage and current at the terminals of the circuit element in Fig 1.5 are zero for t
Two ammeters are put in parallel, and used to measure an unknown current. The unknown current is determined by adding the readings of the two ammeters. Ammeter #1 can read a maximum current of 50[A], and has a meter resistance of 2.35ohms.
A circuit consists of two 1.0 k ohm resistors in series and this series being connected in parallel to a 570 ohm resistor. If the voltage drop across one of the 1.0 k ohm resistors is 4.5 V, what is the voltage drop across the 570 ohm resistor
Write a program to find the sum of the elements of an array called list1. The size of list1 is four bytes. The values of list1 are $FF, $1, $FE, and $02. To check your work, the sum should become $0200. The requirements for writing this program ar..
1. Provide 3 ways for creating proto-types of an electronic circuit. 2. Explain briefly, in outline form, and in your own words, the procedure for creating a single-sided, PCB (Printed Circuit Board), using the etching procedure.
2.25 kg of a fluid having a volume of 0.1 m^3 are contained in a cylinder at constant pressure of 7 bar. Heat energy is supplied to the fluid until the volume becomes 0.2 m^3. If the initial and final specific enthalpies of the fluid are 210 kj/kg..
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