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The impedance of a three-phase line is 0.3 +j2.4 per phase. The line feeds two balanced three-phase loads connected in parallel. The first load takes 600 kVA at 0.7 p.f. lagging. The second takes 150 kW at unity power factor. The line to line voltage at the load end of the line is 3810.5 V. Find
a) The magnitude of the line voltage at the source end of the line.
b) The total active and reactive power loss in the line.
c) The active and reactive power supplied at the sending end of the line.
Find the coefficients of reflection for fresh water (with relative permittivity equal to 81) of a vertically polarized wave that hits the water surface at an incident angle of 60o.
An industrial isolation transformer has a power rating of 1.0 kVA at 240 VAC. Identify the nominal turns ratio (nsec/ npri). Calculate the rated current of the secondary winding.
The voltage on a 40 µF capacitor is found to be 12(1 - e-8t) volts. Find the voltage at t = 0, and the voltage at t = 0.1 second. How much energy is stored on the capacitor as t approaches infinity
Please Use Mesh analysisy to find the solution for the Equation with a Step by Step Summary of Supermesh AnalysIS
What is the advantage of using a double-break contact instead of a single-break contact?
A continuous-time (CT) function is non-zero over a range of its argument from 0 to 4. It is convolved with a function which is non-zero over a range of its argument from -3 to -1. What is the non-zero range of the convolution of the two
A sphere of radius 100mm has a charge 4 C uniformly distributed throughout its volume. Find the magnitude of the electric field at distance 100.1 mm from the centre of the sphere.
Design four by four combinational binary multiplier using hierarchical design method, use switches as inputs, use LEDs as outputs, download design on FPGA and show your demo. You must design this part in VHDL.
A program has a char variable fruit that has been assigned a value. Write a switch statement that outputs "Apple" if the variable contains lower or upper case 'a', "Banana" if it contains lower or upper case 'b', or "Invalid Input" for any other v..
The air feels humid. No air is coming from the registers. The air handler is in the attic. An examination of the condensing unit shows that the suction line has ice all the way back to the compressor. The compressoris still running.
a) What is the minimum sampling frequency b) Specify the number of uniform quantization steps needed and the channel null bandwidth required, assuming that the peak signal-to-noise ratio at the receiver output needs to be at least 30 dB
Determine the turns ratio of each transformer and the line current at the 120 kV side.
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