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A 200V dc motor is loaded by a constant torque of 10 NM. The armature resistance of the motor is 2Ω, and the field constant Kφ=2.5V s. Calculate the motor speed.
The goal of year's baseline project is to design a chip that could control a bicycle taillight to produce an apparently random flash sequence.
A 1500 hp phase ac motor load has a power factor of 0.7. What capacitor (in Farads) is required to correct the power factor to 0.90 if the line voltage is 2400 volts The capacitor bank is to be delta connected.
the solutions at both frequencies about a total transit time of 1000 years (speed of light in a vacuum result) such that subtracting one from the other leaves just the delay that is of order of 1 second.
Sketch the DFT(discrete fourier transform)for a square wave with frequency 1Hz and 10 Hz given N=64 and SR(sample rate)=128. Make sure to label your axes.
In the operation of a refrigerator, does thermal energy flow from hot to cold, or is it from cold to hot? Why?
An input signal given by Vin(t)=5cos(500pi*t)+5cos(1000pi*t)+5cos(2000pi*t) is applied to a basic lowpass RC filter. R=318.3 ohms and C=1 microFarad. Find the expression for the output signal in terms of t and pi.
In one type of computer keyboard, each key holds a small metal plate that serves as one plate of a parallel-plate, air-filled capacitor. When the key is depressed, the plate separation decreases and the capacitance increases.
suppose that in the fluid-low analogy for an electrical circuit analog of electrical currentis volumetric flow rate with units of cm^3/s. For a proper analogy to electrical ciruits, must the fluid be compressible or incompressible
A 4.7 k? resistor is placed across a 25 volt source, how much power is being drawn from the source?
in the bottom of the 9th inning, the bases are loaded and the braves are down by three runs. chipper johns steps to the plate. twice he swings and misses. The crowd heads for the exits. the next pitch is a fast ball down the middle.
What is Corona effect on transmission Line?And states some sources of Corona loss.
Interpreting frequency domain signal spectrum to time domain, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the voltage level of signals in volts vertically and frequency horizontally.
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