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A practical Voltage source is modeled of an ideal voltage source of24 volts in series with a 6ohm internal resistance. A series ofidentical fan motors are attached in parallel with the practical source that can be modeled by an 18 ohm resistor.
A. Find the voltage across the fan when a single fan is attached tothe source.
B. Find the voltage across the fans when three fans are attached tothe source
C.If the fans stop working when the voltage drops to 10 volts orless, how many fans can you attach to this source and still havethem operating ok.
vehicle of mass 1400Kg is traveling at a speed of 50km/hr. What is the kinetic energy stored in its mass Calculate the energy that can be recovered by slowing the vehicle to a speed of 10 km/hr.
Find the value for required Q for the first filter.
A 0.51-kg block is hung from and stretches a spring that is attached to the ceiling. A second block is attached to the first one, and the amount that the spring stretches from its unstretched length triples.
The range of an analog signal is 2 Vpp, and the samples of this signal are being quantized. The quantizer-output word size is 10 bit. What is the quantization interval Q
Compare the differences in the FFT result. Explain why even though the inputs to both FFTs are the same cosine waves, the shapes of the FFTs are different. Calculate, plot and compare the results of the 512-point FFT of the above signal.
You chanrge your capacitor above by connecting them to a non-ideal 30-Volt source with a Thevanin resistance of 5 ohm. Since you are careful not to go above the capacitor 25-V rating, design a circuit that can charge your capacitor safely at 25V
Design an 8th order, type 1, FIR low-pass filter having a cutoff frequency of 8Hz for a signal acquired using 64Hz sampling rate.Use the window method with a hamming window. Note that youdon't need matlab to solve this exercise.
Suppose a pure Si crystal has 5 × 1028 atoms m-3. It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that ni =1.5 × 1016 m-3.?
Calculate the armature current, total losses in the machine, and the I^2R losses in the armature. Help would be greatly appreciated as my calculations for Armature Current Ia is in my mind way too high, 480A. Then calculate the losses in the armat..
A three-phase generator is Y-connected. It has phase voltages of 277 V. A delta-connected load is attached to the lines coming from the generator. Each phase of the load has an impedance of 9/41
Write a Matlab program to calculate the electric field due to a line of charge of length 1m. a) Describe the line of charge as a collection of point charges centered on the z-axis. Calculate the electric scalar potential of that same line of charge.
You are designing a general purpose integrated circuit oscillator that will operate at various frequencies, based on the external reactances the user supplies. You expect that the IC will be used as a fixed frequency oscillator in portable equipm..
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