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With a separately excited 2-kW DC machine, which has the following parameters, draw the capability curve in the first quadrant and the second quadrant of the torque-speed plane. Also in the plane, simultaneously plot the electric power to (from) the machine, along with the armature voltage, and the field current according to the torque. Because of the commutation problem, the field flux can be reduced down to one-third of the rated value. It is assumed that the field flux is proportional to the field current.
Mrs. Brooke owns a robot with an FSM brain. The robot walks from left to right along a paper type containing a sequence of 1's and 0's. On each clock cycle, the robot walks to the next bit.
A 100-L rigid tank contains nitrogen (N2) at 900 K, 6 MPa. The tank is now cooled to 100 K. What are the work and heat transfer for this process?
but the K input of the second JK flip flop depends on the negated output of the first JK flip flop and x AND together. How to trace that when both JK flip flops depend on input from the other one
If a unity gain (Avo=1) buffer amplifier with 1 M ohm input resistance and 10 ohm output resistance is interposed between source and load, what do the output voltage and power levels become. For the new arrangement, find the voltage gain from sour..
A circuit board with a dense distribution of integrated circuits (ICs) and dimensions of 120 mm by 120 mm on a side is cooled by the parallel flow of atmospheric air with a velocity of 2 m/s.
Determine formulas in closed form for the marginal probability distribution function of X for all x, and sketch a graph of this function over the range -1 ≤ x ≤ 2.
If the U.S. consumes 10 Quads each year by burning gasoline for automobiles, and if this energy usage is spread evenly across 8760 hours in a year, what is the equivalent continuous flow of power in Megawatts (MW)
An RC circuit with a time constant T = 30 msec has reached a steady state of 2 V at time t = 0. The circuit is then suddenly switched to ground (0 V). Calculate the time required for the voltage to fall to 1 V.
hat is voltage regulation of 3 phase bank if it delivers rated current at rated voltage and 0.9 lagging power factor? (b) What is the input line current, delta winding current, and wye winding current ifthe load is shorted?
Design a Mealy state machinethat is a *majority vote* detector that indicates when the majorityof the last three samples received are ones. When at least 2out of the last 3 inputs received are ones, it will output a1.
A six-pole induction motor for vehicle traction has a 50-kW rating and is 85 percent efficient. If the supply is 220 V at 60 Hz, compute the motor speed and torque at a slip of 0.04.
A 50 ohm transmission line is terminated to the load (60-40j) ohm. How far from the load, a short ckt stub of a fix length of λ/8 needs to be placed so the minimum voltage standing wave ratio (VSWR) between generator and stub achieved. Find the VS..
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