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Let x(t) = |cos120pit| a periodic signal. Plot x(t). What is the period and frequency of x(t)? Expand x(t) in trigonometric Fourier series Hint: use the plot to find the Fourier coefficients.
For a given lithium ion battery, it can supply 0.85 ampere-hours, or 850 (mAh) with a constant output voltage of 3.6 (V). How much energy is stored in this lithium ion battery. How much energy is imparted to an electron that flows
The system has total capacitance CT = 1.0 muF (10 ^ 6 Farad) and average frequency in use at 10kHz. The transformation of battery power to power inn the microcontroller and additional components occurs with virtually no losses.
The 24-bit data field of a packet is given by 0xBC603F. The packet contains a CRC with the generator polynomial given by X 3+X+1 a) Find the CRC checksum. Provide the complete code-word including the checksum in hex.
Calculate the parameters RE and XE, and the maximum efficiency and power output for the transformer when a load with a 90% lagging power factor is connected to the transformer secondary winding.
Suppose that the amount of a weekly bill of all households is distributed with a mean of $140 and standard deviation of $35. Let X var be the average amount of bill of a random sample of 49 households selected.
Generate a sine wave signal with amplitude A=1, and frequency=0.1592Hz. Using a uniform PCM method, quantize it ot a) 8-level and b) 16-level. Plot the original signal and the quantized signals on the same axes
Assume the coil around the toroid is one single coil and extends all the way around. A toroid is like a donut with a circular cross section. The following characteristics are given: Toroid material = sheet steel, N = 250 turns Inner Radius
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.
Using the Routh Hurwitz method, find the values of k for which the following polynomial has all its roots to the left of s = -1.
The factorial of a nonnegative integer n is written n! (pronounced "n factorial") and is defined as follows: n!= n(n-1)(n-2)(n-3)....1 (for values of n greater than or equal to 1) and n!= 1 (for n=0) for example 5! = 5x4x3x2x1,
a) the synchronous generator has a unique ability whihc places it at the top of the heap of all machines that might be used for generation of electric power. This unique capability is what allows the business of electric dispatch to even occur.
2. What is the expected output frequency of a sample and hold system if fs= finput 3. Which is input frequencies will give an output frequency of 50 Hz when put through a sample and hold system if our sampling frequency is 488 Hz
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