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Flux weakening causes problems in both generators and motors. In generators, the effect of flux weakening is simply to reduce the voltage supplied by the generator for any given load. In motors, the
An ideal n+/p diode has only the quasi neutral p region of length L illuminated with light such that GL electrons/cm3-s are generated uniformly throughout the region. There is no photo-generation oc
A silicon diode has a doping profile such that ND = ax3. What is the depth of the junction assuming the p side is uniformly doped with NA per cubic cm. Assume the x origin is at an ideal ohmic conta
An idustrial plant uses two pieces of equipment. A) A lightining element that comsumes 10 kw when supplied at 100v, 60Hz; and B) A furnance consuming 360 kw and 400 KVAR when supplied at 2000v, 60Hz
A Y-connected three phase supply has a balanced voltages of 110e^j0, 110e^(j2/3) and , 110e^(j4/3). The corresponding impedances on the Y-connected load are 30, 30+j40 and 40+j30 ohm.
According to the Nyquist sampling theorem, faithful reconstruction of an analog signal with a bandwidth of 29 kHz would require a sampling frequency of at least. what is the decimal equivalent of th
Calculate the thermal-equilibrium electron and hole concentrations in a compensated p-type semiconductor. Consider a silicon semiconductor at T=300K in which Na = 10e16 cm-3 and Nd=3x1015 cm-3. Assu
You are told that inside the box is an electrical circuit, composed of either a resistor and inductor; or a resistor and a capacitor. You are also told that the impedance between those terminals was
The value of the capacitor from the high-voltage terminal to the tap point is 0.005µF. The tap point voltage is 4 kV. What is the value of the capacitor connected between the tap point and the
An input signal of 10V at 0 degrees is applied to a series RLC circuit with resistore R=100 ohm, inductor L=40 mH, and capacitor C = 0.5uF. determine what is The value of the total circuit complex
A coil of 10H inductance and 5Ω resistance is connected in parallel with a 20Ω resistor across a 100-V DC supply which is suddenly disconnected. Find The voltage across the 20Ω res
Write a C-program to generate K-map row and column headings for an arbitrary number of row or column input variables, i.e. 4x4 k-map for 2 row and 2 column variables, 16x16 k-map for 4 row and 4 col
An n-channel MOS device in a technology for which oxide thickness is 20nm, minimum channel length is 1μm, k'n = 100μA/V2, and Vt=0.8 V operates in the triode region, with small vDS and with th
a) Assume B1 = ax2 - ay10(mT), find B2 and the angle that B2 makes with the interface. b) Assume B2 = ax10 +ay2(mT), find B1 and the angle that B1 makes with the normal to the interface.
Determine the capacitance as a function of Ri and Ro. If the dielectric is polystyrene of relative permittivity, εr = 2.6, calculate the capacitance of an isolated conducting sphere of a rad
Given a sum-of-products expression, it is possible to write the 1s corresponding to each product term directly on the map without developing an explicit truth table of minterm list, and then proceed
figure out how to plot the response of a system given an input. transfer function for the system is: H(s) = 1000/(s^2 + 110s + 1000) input is periodic, and represented by: u(t) - u(t-pi/2)
The voltage and current for a circuit element are v(t) = 10 + 6 cos(377t + -60) - 7 cos(754t + 10) V & i(t) = 7 + 4 cos(377t + -20) + 5 cos(754t + 10), with the phase angles given in degrees.
A pump has a displacement volume of 98.4 cm3. It delivers 0.00152 m3/s of oil at 1000 rpm and 70 bars. If the prime mover input torque is 124.3 N.m, a. What is the overall efficiency of the pump b.
A pump supplies oil at 0.0016 m3/s to a 40 mm diameter double-acting hydraulic cylinder. If the load is 5000 N (extending and retracting) and the rod diameter is 20 mm, find the Hydraulic pressure d
A 2722-kg weight is being pushed up an inclined surface at constant speed by a cylinder. The coefficient of friction between the weight and inclined surface equals 0.15. for a pressure of 6.9 MPa, d
Write a Verilog behavioral dataflow model for a 4-bit expandable ALU. Create it using a hierarchical description that includes a behavioral dataflow model of an expandable 1-bit ALU.
the discrete-time systems, where y[n] and x[n] are, respectively the output and the imput sequences, determine whether or not the system is (1) linear, (2) causal, (3) stable, and (4) shift-invarian
Develop a system to help students learn Morse Code. The system will have one input and 26 outputs (one per letter). The user sends in Morse Code pulses on the input, and as characters are completed
Given a voltage of 100 volts with a phase angle of 0 degrees, applied across an impedance of 50 ohms at an angle of +30 degrees. This is an inductive impedance - not TOTALLY inductive, but more indu