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based upon the Norton thevenin equivalentcircuits (Method of short circuit through nodal analysis) When there is a short circuit present, any resistor in parallel will not have current running through it. But what if:1) A independant current source is in parallel?2) A independant volage source in parallel?3) A dependant current source in parallel?4) A dependant voltage source in parallel?Will any of the above have current running through them if they are each seperately in parallel with a short circuit?Furthermore, if any of the above were also in series with aresistor (ie 1-4 each seperately in series with a resistor; and this combination in parallel with a short circuit) will anything change?
In a 50 KVA, Y connected, 440 V, 3 phase, 50 Hz alternator, the effective armature resistance is 0.25 ohms per phase. Synchronous reactance is 3.2 ohms per phase. Determine at rated load and unity power factor,
A system or component is imaginary (critically ) stable if at least one real part of the roots of the characteristic equation is equal to zero. Determine the stability of the following system and design the circuit.
What type of cable is necessary for each connection: straight or crossover? You can assume that S1 and S2 do not have the ability to resolve crossovers (called Auto-MDIX).
A saturated npn transistor has a base to emitter applied voltage of 0.6V. The collector to emitter voltage is 0.2V. The collector current is 12mA
Lithium chloride crystallizes in a face-centered cubic structure. The unit cell length is 5.14 10-8 cm. The chloride ions are touching each other along the face diagonal of the unit cell. The lithium ions fit into the holes between the chloride io..
A second-order system is being designed. It is desired that the percent overshoot be between 10 and 20 percent. Using the relationship between percent overshoot and damping ratio, this corresponds roughly to zeta being 0.45 and 0.6.
1- A particular gas exerts a pressure of 2.79 bar. What is this pressure in units of pascals 2- A particular gas exerts a pressure of 3.43 bar. What is this pressure in units of atmospheres 3- A particular gas exerts a pressure of 4.79 atm.
To maintain a freezer box at -40°C on a summer day when the ambient temperature is 27°C, heat is removed at the rate of 1.25 kW. What is the maximum possible coefficient of performance of the freezer
An AAC is composed of 37 strands, each having a diameter of 0.333cm. Calculate the DC resistance in ohms per km at 75oC. Assume that the increase in resistance due to spiralling is 2%.
What are the differences between volatile and nonvolatile memory What are advantages and disadvantages of volatile and nonvolatile memories
An Electric Range top burner control adjusts the duty cycle of the current and voltage supplied to surface heating element as a function of the control's dial setting. The range controller operates from a 240 VRMS single phase supply
Calculate the armature current, total losses in the machine, and the I^2R losses in the armature. Help would be greatly appreciated as my calculations for Armature Current Ia is in my mind way too high, 480A. Then calculate the losses in the armat..
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