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A DC motor is rated at 230V, 27.5A at normal full load. It turns at 1750rpm under rated conditions. It has total armature resistance of 0803 ohms, and it is desired to hold its maximum starting current to 150% of normal full-load current. Detemine the current flow if there were no added starting resistance.
A p-type wafer has a diffused Phosphorous n-type junction with a junction depth of 0.15µm. a) If the wafer (no pre-existing oxide) is to be oxidized at 1000 C for two hours to form a ‘dense.
A 15 hp, 209V,three-phase,six pole, Y-connected induction motor has the following parameter values per phase: R1= 0.128 ohm, R'2=0.0935 ohm Xeq- X1 + X'2 = 0.49 ohm. The motor slip at full load is 3%, and the efficiency id 90%.
The signal given is x(t) =cos(440*2*pi*t) +cos(554*2*pi*t)+cos(659*2*pi*t) Find the complex exponential forier series of the signal and plot k vs Ck for k=-1000 to 1000.
Given a course voltage of 10V, a source resistance of 10 ohms, a 10mH inductor, and a 5nF capacitor, choose a load resistance and draw a circuit that will have an underdamped (decaying sine wave) second order transient response.
Write a program to do the following: Declare a 4x4 2D integer array, Initialize the contents of the array to random numbers using rand() , Print the contents of the array, Prompt the user to enter a number to search for inside the array
How to calculate the emf induced by an alternative magnetic field in a straight-line conductor of lenght L.
Calculate the torsional spring stiffness constant for a steel shaft 0.5" in diameter and 2.5 ft long.
compute the fourier transform of the descret time signal x[n] = {C, n1
what is the range of sampling frequencies you can use such that you don't violate Nyquist theorem and still meet or exceed the needed resolution when you perform the FFT operation on the full set of collected data
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) If the internal resistance of a voltmeter is 100x bigger than the output impedance of a circuit, what is the loading error b) If the internal resistance of an ammeter is 10x smaller than the output impedance of a circuit
A current filament carrying I in the -az direction lies along the entire positive z. At the origin, it connects to a conducting sheet that forms in xy plane. a) Find k in the conducting sheet.
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