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Three loads are connected in parallel across a 12.47 kV three-phase supply. The first is a resistive 60 kW load, the second is a motor (inductive) load of 60 kW and 660 kvar, and the third is a capacitive load drawing 240 kW at 0.8 p.f. Find the total apparent power, power factor, and supply current.
Convert the following degrees to radians: 45°, 60°, 120°, 270° , 178°and 221°.
A 3-phase induction motor has a 4-pole, star-connected stator winding and runs on 50 Hz with 400 V between lines. The rotor resistance and standstill reactance per phase are 0.4 Ω and 3.6 Ω respectively.
Using mesh analysis, determine the current through the 5-Ω resistor for each network of given figure.- Then determine the voltage Va.
State whether a1, a2, anda3 directed westward, northward, and downward, respectively, is a right-handed or a left-handed set.
Consider the circuit diagram below. Assume the op amp is ideal. Find the voltage Vout and the current lx. Find the current ly. How much power is delivered by the 6V source?
It is believed that the etching may alter surface crack geometry (i.e., reduce crack length and increase the tip radius). Compute the ratio of the original and etched crack tip radii for an eightfold increase in fracture strength if two-thirds of ..
Draw the logic diagram for the 4-bit circuit, using full adders and multiplexers. Determine the arithmetic operation performed for each of the four combinations of S and Cin: 00, 01, 10, and 11.
A six-pole, 60Hz synchronous motor is connected to an infinite bus of 15 kV through a transmission line.
Design a circuit for a combination lock with one input, x, and two outputs, unlock and hint. Output unlock should be 1 if and only if x is 0 and the sequence of inputs received on x at the preceding seven clock ticks was 0110111.
A full adder is a circuit which adds three bits X, Y, Z together and returns two bits C and S to represent the total as a 2-bit binary number C S. C is the MSB and S is the LSB. For example, if X=1, Y=1, Z=0, the total should be 2, or 102 in binar..
for the polynomal function P(x) = x^2 / 3 + x^2 - 8x + 1 find all relative extrema, the inflection point, the interval on which P is concave down
Write a simple shell script called mathmagic that takes two arguments in at call time and returns to the stdout the value of the two items entered, the value of the two items added together, the value of the two items subtracted
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