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design an 8-bit counter that counts up starting from 0. The counter must stop at a value which is defined by using the 8 slide switches. Use the discrete LEDs as the output to validate the counter. The counter should run when a push button ‘run' is being pressed.
Plot the steady state torque-speed characteristic for Va = 100V, 60V, and 30V. Calculate the armature voltage to be applied in the steady state at the speed of 1500 rpm when the motor torque load require is 3 Nm.
The feedback system for the Buck circuit can be analyzed by separating DC component from small signal perturbation. The performance of the feedback can be assessed by examining the Bode plot of the loop transfer function GL(s).
If the motor is driving a load whose torque requirement remains constant at 3Nm, independent of speed. Calculate the armature voltage Va to be applied in steady state, if the load to be driven at 1500RPM.
Oil (density 0.91 g/cm^3) flows in a pipe (see fig.) and the flow rate is measured via a mercury manometer (density of Hg=13.546 g/cm^3). If the difference in height between the two legs of the manometer is 0.78 in.
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output?
For much of the last century, the annual growth rate of energy utilization in the world was 3.5% per year. At present, the rate of global energy usage is approximately 15 TW. When considering only coal, oil, and gas.
For a given lithium ion battery, it can supply 0.85 ampere-hours, or 850 (mAh) with a constant output voltage of 3.6 (V). How much energy is stored in this lithium ion battery. How much energy is imparted to an electron that flows
A new semiconductor has Nc = 1019 /cm3 and Nv=5 x 1018, and Eg = 2eV. If it is doped with 1017 donors (fully ionized), calculate the electron, hole, and intrinsic carrier concentrations at 627K.
Consider points P(2,4,3) and Q(1,-5,2) in three dimensional space: Find the position of vectors r1 and r2 for P and Q in terms of unit vectors i,j,k Determine graphically and analytically the resultant of these position vectors Hint: resultant vector..
What do they mean by these two statements. For example, are they asking us to keep Voltage or Current constant in either statement and vary the Resistance finding the unknown Voltage or Current or what
A Y-connected load with an impedance of 12-j15 Ohms per phase is connected to a balanced Delta-connected 208V, 60Hz, three-phase, positive phase-sequence supply. Determine 1) the line and phase voltage, 2) the line and phase current
A volume is divided into two equal parts by a partition. The left volume has N atoms. The atoms have a mass m. A hole of area A is made in the partition at time t=0 A)Develop an expression for the number of white atoms on each side of the partition..
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