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Under no-load conditions, a certain motor operates at 1200 rpm with an armature current of 0.5Aand a terminal voltage of 480V. The armature resistance is 2Ω.Determine the speed and speed regulation if a load demanding a torque of 50 Nm is connected to the motor. Assume that the losses consist solely of heating of RA and frictional loss torque that is independent of speed.
The steady-state electron distribution in silicon can be approximated by a linear function of x. The maximum electron concentration occurs at x = 0 and is n(0) = 2.0 x 1016cm-3. At x = 0.012cm, the electron concentration is 5.0 x 1015cm-3.
Design a Stream Detector to identify "000" from the input bit stream x, the output y is "1" when "000" is detected; otherwise the output is "0" you can use any flip flops in the Designs. But the standard sequential logic design procedure should be..
For each of the following functions find the values of S & Wn (omega n) and characterize nature of response (overdamped,underdamped,critical damped,etc) a) G(s)= 225/ s^2 +30s+225 b) G(s)= 625/ s^2 +625
A 40 kHz sinusoidal voltage has zero phase angle and a maximum amplitude of 2.5 mV. When this voltage is applied across theterminals of a capacitor the resulting steady-statecurrent has a maximum amplitude of 125.67μA
implement the Johnson counter as a Moore machine using three (3) D flip-flops. Give the simplified excitation equations for each of the flip-flops, and draw the circuit. There is no input in this system, as the counter advances on every clock cycl..
State the main requirements of a protection CT and an instrument CT - If the setting is 20% and there is saturation of 50% at 20 x current setting, specify a suitable CT.
Problem on complex power, An electric load operates at 240 volts. The load absorbs an average power of 8Kw at a lagging power factor of 0.8.
A series-connected circuit has a 240-V voltage source, a 10- resistance, a 5- resistance, and an unknown resistance Rx. The voltage across the 5-? resistance is 30 V. Determine the value of the unknown resistance.
(a) Evaluate the line integral of H about the rectangular path P1(2,3,4) to P2(4,3,4) to P3(4,3,1) to P4(2,3,1) to P1 given H = 3z ax - 2x3 az A/m. (b) Determine the quotient of the closed line integral and the area enclosed by the path as an appro..
You are designing a 2.4 GHz receiver with a 140 MHz IF. System design constraints require that the local oscillator power be minimized to reduce the potential for interference to other systems as well as to reduce the receiver power consumption.
A 3-phase synchronous generator rated at 75 MVA, 13.8 kV (L-L) is connected to a power system that has a Thevenin equivalent of j0.23 per unit at 1.0 per unit voltage. The synchronous reactance of the generator is j1.35 per unit.
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.
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