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In a 110 V compound generator, the resistance of the armature, shunt and series windings are 0.06, 25 and 0.05 W respectively, The load consists of 200 lamps each rated at 55 Ω, 100 V. Find the emf and armature current, when the machine is connected for
(a) long shunt
(b) short shunt
(c) How will the ampereturns of the series windings be changed, if in
(a) a diverter of resistance 0.1 Ω is connected across the series field? Ignore armature reaction and brush voltage drop.
A Two resistor voltage divider consists of a 10k ohm and a 15k ohm resistor, with the 10k ohm resistor connected to the voltage source and the 15k ohm resistor connected to ground. if the output voltage is 2.5V
Suppose that an inductor is formed by N turns of a conductive wire wound around a magnetic material. The magnetic material forms a circular cylinder of radius r = 10 cm, and height h = 5 cm. The inductance of the inductor turns of N is defined as:..
For each add instruction in this problem, assume that EAX contains the given contents before the instruction is executed, and give the contents of EAX as well as the values of the CF, OF, SF, and ZF flags after the instruction is executed.
For the network of given Figure: - Determine the currents Is, I1, I3, and I4 , - .Calculate Va and Vbc.
Give the truth table and the logical expression for a circuit with three inputs and one output. The output generates even parity for inputs. Use EXOR/EXNOR in the output expression when possible.
Write a program in C that reads 20 integers from the user and sums the odd numbers together and the even numbers together. The program is to output the ratio of the odd numbers to the even numbers with a precision of up to 3 decimal digits.
write a C program to toggle both PA4 and PA7 of PORTA ON and OFF, with a 1-ms delay after each toggle. Assume that clock frequency is 6.25 MHz. Write inline assembly-language code inside of the delay function.
Layout a transistor with W/L = 5/1 similar to Fig. 4.22 but change the alignment so that masks 2, 3, and 4 are all aligned to mask 1. What fraction of the total area does the channel represent?
A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting and the exterior lighting turn on at dusk automat..
The steering wheel has backlash. This means there is a delay between the time the wheel is turned, and the time the car responds. The driver tends to overturn, which leads to instability and lack of control of the car.
A 200 nm oxide film is deposited on a 500 m thick bare silicon wafer that has a radius of curvature of 300 m. After deposition, the radius is measured to be 200 m. A 600 nm nitride film is now deposited on the oxide
We are required to create a digital clock for the upcoming project. The class has been very disorgainzed and hard to follow, thus I've had a hard time keeping up with what's actually going on and don't quite understand all the material.
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