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How much does it cost to run a 300 watt refrigerator for one week if the fridge is actively cooling for 1/3 of the time and dormant the rest of the time? Assume the US national average electric rate of $0.12/kWhr.
Universities tend to be highly integrated-many departments all belong to the same organization. There is no technical reason why a university could not consist of freestanding departments linked together by contracts or other market arrangements. ..
Estimate the volumetric efficiency of the 300 V pack. Compare the energy densities (J/kg) of the single cell and cell pack.
a) Find the sample mean. b)If the calculator produces three digit random numbers that are uniformly distributed between 0.000 and 0.999, find the variance of the sample mean.
Give the schematic table that has the Physical and chemical equations used in process models used in measurement systems.
Problem: Consider the waveform x(t) shown below. The above signal x(t) consists of a DC component plus a sinusoidal signal. (The terminology DC component means a component that is constant versus time.)
Find the rms values of the following sinusoidal waveforms:
A1. An amplifier has cutoff frequencies of 120.0 Hz and 1.200 kHz. Calculate the bandwidth and center frequency of the amplifier. A2. The upper cutoff frequency of an amplifier is 8.000 MHz and its center frequency is 1 MHz.
A star-connected 8 poles, 50 Hz, synchronous motor has synchronous reactance of 11 W per phase. On no-load, both the excitation and the terminal voltages are equal to 3.3 kV. Neglect all losses.
What is the best constant to add and how much simulation time does this save you?- What is the optimal amount to alter the variance, and how much execution time does this save you?
Find Rin, Avo, and Ro. Also, if a load resistance of 10k ohm is connected to the output, what overall voltage gain Gv is realized. Now, if a 0.2 V peak sine wave signal is required at the output, what must the peak amplitude of Vsig be.
Determine the transfer function for a first order low pass filter with a cutoff frequency of 1000 radians/sec (note radians and not Hertz) and a pass band gain of 1 using the following types. (a) Butterworth type
Find the Laplace transform of a rectangular voltage pulse that is 0 V until time 0 s, then jumps to 5 V and stays there until time 2 ms, then returns to 0 V and stays there after time 2 ms. Hint: express the pulse in terms of unit step functions.
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