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At what wavelength do the planetary bodies and Sun have their maximum emissive power? What range of the spectrum does this fall in?
As the surface temperature increases, does the wavelength increase or decrease?
What is the maximum temperature required for the maximum emissive power to enter the microwave range? What is the minimum temperature required for the maximum emissive power to be in the x-ray range? Assume the following for the average surface temperatures of the bodies:
Sun: 5777KMercury: 440KVenus: 740KEarth: 290KMars: 210KJupiter: 165KSaturn: 135KUranus: 80KNeptune: 75K
The student turnsaround and travels half the distance between his current location and his home beforechanging his mind again. This process of changing direction and traveling half the remainingdistance continues until the student reaches a certai..
What is the Diversity Factor in Electrical Wiring Installation ??
We need to use asynchronous TDM and combine 50 digital sources. On average only 20% of the sources are active at any time. Each output slot carries 18 bits of data from each digital source. Also 8 extra bits are added to each frame for synchroniza..
calculate the impulse of an ideal filter with cut-off frequency of a)2KHz, and b)3KHz for a signal sampled with a rate 8000 samples/sec.
given analog signal : x(t)=8cos(6,000pi)+5cos(14,000pit) t>=0 sampled at rate 12,000 Hz a) sketch the spectorum of the orignal signal and the sampled signal from 0 KHz and 25 KHz.
1. Define the function f[n] = en/4 sin(n/10)u[n] using Matlab inline function. Plot this function using stem command over [5, 20]. 2. Use Matlab inline and stem functions to plot u[n] and delta[n] over [10, 10]. 3. find out what Matlab filter functi..
A potentiometer is wired is wired to represent a rotational range of 0-180 degree. The potentiometer is supplied with a voltage of 15 VDC. What is the output voltage at 75 degree
a binary pulse counter can be constructed by inter connecting t-typeflip-flops in an appropriate manner. assume it is desired toconstruct a counter which can count up to 100 subscript 10. A) how many flip flops are required
Four hundred grams of nitrogen gas (molecular weight=28g/mole) are stored in a 10-liter container. Set up an excel worksheet to determine the pressure of the gas (in atmospheres) as a function of temperature and volume, assuming nitrogen is an idea..
design a 7-tap band-pass FIR filter with linear phase response. The lower cutoff frequency is 2,500 Hz, and upper cutoff frequency is 4000 Hz. The sampling frequency is 10,000 Hz. What is the filter impulse response
For computer chip of 10mm (length), 5 mm(width) is operated by power of 0.645 watt, which surrounded by coolant material of temp of 80 F. Find the Surface Temperature in K of the computer chip during the heat transfer of convection.
A 10kW 220-V single-phase motor is operating at 0.7 lagging power factor. Find the value of the capacitor that needs to be connected in parallel with the motor , if the power factor is to be improved to 0.95 lagging.
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