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The Chopper controls a dc machine with an armature inductance of 0.2mH. the armature resistance can be neglected. the armature current is 5A, switching frequency is 30kHz and diode voltage is 0.8
In Mel Brooks, Robin Hood: Mens in tights.• Explain how the artists utilize lighting in the scene. How does the lighting affect our emotional understanding of certain characters? What sort
Write an assembly language subroutine that implements a 1-second delay using the TCNT timer. Include both an initialization ritual and a delay function?
A load taking 24.4A, is supplied by aluminum and copper cables connected in parrel.The lenght of the copper and alumumin cables 0.178km an 0.164km respectively. the diameter of the aluminum cabl
Using the Rate ½ K=3 convolutional encoder , create the encoder.Using the Viterbi Algorithm, implement the soft decision decoder.Using 4 PSK or 2 PSK with the same total power as a reference,
Johnson Industries received a contract to develop and produce four high-intensity long-distance receiver/transmitters for cellular telephones. The first took 2,000 labor hours and $39,000 worth of
A certain primary cell has a terminal voltage of 1.24 volts when supplying a current of 2A. Immediately after the load was disconnected the terminal voltage increase to 1.28 volts what is the in
For the given functions f(x),let xo=0,x1=.6 and x2=.9.construct interpolation polynomials of degree at most one and at most two to approximate f(.45),and find the absolute error.a.f(x)=cosx b.f
Assume a thermocouple, which supplies the input to an analog input module, generates a linear voltage from 20mV to 50mV when the temperature changes from 750 degrees Fahrenheit to 1250 degrees F
How would you develop a looping program in MIPS that will take a series of decimal numbers and arrange them in ascending order from smallest to largest. The sequence of nine numbers are: 5, 3, 8
The cross section of a cottage 20 ft wide is an isosceles triangle. If the slope of a side is 1.75 and there is a second floor 9 feet above the ground floor,What is the angle at each tip of the
An explosive shell, with total mass 80 kg is launched vertically into the air from a mortar. The shell explodes in flight and breaks into two parts with masses of 30 kg and 50 kg (assume the mas
A high pass filter is designed so that the input signal Vin(t)=20sin(250pit) losses 87.5% of its power as it goes through the filter.if the resistor value is 10k ohms determine the rms value of th
An L x L square transducer, submersed in water, is centered at the origin and is pointed down the +z-axis. A larger layer of homogeneous fat begins z=z0 and extends to the depth of penetration, s
Determine the maximum and minimum spectral frequencies received from a stationary GSM transmitter that has a center frequency of exactly 1950.000000 MHzassuming that the receiver is traveling at
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter? How much modulating signal power is neede
Draw the class diagram for the classes required in a basic microwave oven. the system should be able to set the microwave lower level between 1 and 9 and time of cooking run up to 59 min and 59
An inductor motor is connected to a 220 v ,60hz supply and drews 5.0A at 0.85 lag power factor. 1. what value of capacitor must be placed in parallel to improve power factor to unity?
One disadvantage to using wireless NICs is that they (and the infrastructure needed to support them) are currently somewhat more expensive than wire-bound NICs using the same bus type. Discuss w
An electric field of 3.10×105 is desired between two parallel plates, each of area 36.0 and separated by 0.620 of air.What charge must be on each plate?
A hollow conducting cylinder has inner radius a and outer radius b and carries current I along the positive z- direction. Find H everywhere.
Digital Communication Techniques A video signal contains light variations that change at a frequency as high as 3.5 MHz. What is the minimum sampling frequency for A/D conversion?
A series of combination having R=2Mohm and C=0.01 UF is connected across a D.C. voltage source of 50V. Determined capacitor voltage and charging current after 0.02s, 0.04s and 1 hour.
A buried stainless steel nuclear waste storage tank contains significant amounts of dissolved radioactive Cr3+, Al3+, Fe3+ and Ni2+ at pH 2. It is proposed to neutralize this acid tank solution t
Bode frequency Response: using, plot the bode frequency response (Adb vs.f and θ vs.f) on a semilog graph for the following voltage gain.V2/V1 (Jf) =100 ((1+Jf/10))/(1+Jf/1k)(1+Jf/10k) .