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A parallel circuit consists of a current source and two resistors, 200-ohm and 50-ohm. The resistor of 50-ohm draws a current of 2A.
a) Find the current out of the current source.
b) Find the current through the 200-ohm resistor.
c) Calculate the power delivered by the source.
A 1000V, 50 hp compound motor runs at a speed of 750 rpm at full load. The armature, series and shunt field resistances are 0.5 ohm, 1 ohm, and 200 ohm, respectively. The motor efficiency at this condition is 80%. Calculate the motors starting cur..
A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W. Mechanical losses are 250 W. Stray losses are 1.5% of the input power
A jet engine is modeled as a serial combination of a compressor, an adiabatic constant pressure combustor, and a turbine. Air (considered to have a variable specific heat) is compressed through a compression pressure ratio of 8.25:1
the doping level of N-type semiconductor is ND = 5x10^19 cm^-3. Determine the room-temperature position of the Fermi level (with respect to the borrom of the conduction band) if the semiconductor is Si (Nc = 2.86x10^19).
Design an operational amplifier cicuit that has the following specifications: Gain=-3; Input impedence>20 kohm You have unlimited number of resistors of values 1,2,5, and 10 kohms and LM741 op amps. Input impedance of LM741 op amp is 3Mohm.
The resistance of the coil is .4 ohm. The inductance of the coil is 2.4e-4 H. The rotor inertia is 2.0e-5 kg m2. The current to torque gain is 0.06 Nm/A. The friction torque is 0.18 Nm. A 12 V voltage source is applied to the motor.
WHAT ELECTRICAL PARAMETER DOES AN OHMMETER MEASURE AND WHAT ARE ITS UNITS. SHOW BOTH NAME AND SYMBOL FOR THE PARAMETER AND ITS UNITS.
Develop the VHDL text file for a binary up-coutner to divide an input frequency of 2 MHz to give an output of 20kHz. Use Q as the ouputs and CLK as the rising edge clock input.
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.
A 5-volt intelligence amplitude causes the frequency to change to ± 25 kHz. What will be the carrier frequency variation corresponding to an intelligence amplitude of 10 volts
Three 150 kVA, 480V/4000V,60 Hz single-phase transformers are to be installed on a 4000V, 3-phase line. The exciting current has a value of 0.02 pu. Calculate the line current when the transformers are operating at no-load.
Design a combinational circuit with four inputs, x,y,w, and z, and four outputs: A, B, C, and D. When the binary input value in decimal is 3,8,12 or 15, the binary output value is one less than the input value, otherwise it is one greater than the..
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