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What is the relationship between intensity and frequency in the context of the keyword "intensity vs frequency"?
In the context of "intensity vs frequency," the relationship between intensity and frequency is that they are inversely related. This means that as intensity increases, frequency decreases, and vice versa.
What are the challenges of computer mediated communication?
Quality of signal. Size of the data vs bandwidth. Speed of transfer.
What are the merits of Firewire 800 vs 400?
Firewire 800 has twice the bandwidth of the Firewire 400.The number is the throughput in Megabits.
What is the advantage of relative frequency distribution vs distribution frequency?
These help to distribute the frequency much better than the latter. The noise might not be as loud or boisterous this way.
Is the plot of current versus frequency symmetrical about the resonant frequency in LRC circuit?
The plot of current vs. frequency is not symmetric because the equations for inductive reactance and capacitive reactance are not symmetric. One is linear and the other is inverse.
What frequency would she hear as the siren moves away from her at the speed of Vs equals 49ms?
f = C fo / (C + vs)(Assuming speed of sound, c = 330 m/s),f = 330 fo / (330 +49 ) frequency that she would hear isf = 0.87 f0
Would there be a Doppler effect if the source of a wave is stationary and the observer is the one in motion?
Yes. The observer frequency fo= f( v + vo)/(v -vs) where f is the signal frequency, v is the speed of wave and vo is the speed of the observer towards the signal and vs is the speed of the signal toward the observer.
Comparison between fdm tdm?
FDM-Frequency division multiplexing where as TDM mean Time division multiplexing.In FDM spectrum is divided into frequency whereas in TDM divided into time slot.FDM is used in 1st generation analog system whereas TDM is used in 2nd generation analog system.
Will the impedance in a series RL circuit increase as the frequency decreases?
When the frequency of Parallel RL Circuit Increases,XL increases which causes IL (current through inductor) decreases. Decrease in IL causes It (It=Il+Ir) to decrease,which means by relation IT=Vs/Zt ,the Zt (Total Impedance) Increases.
In classical physics how does an atomic oscillator behave when heated in terms of energy emissions?
The oscillator starts at relatively low frequency and emits electromagnetic radiation of relatively low frequency (or long wavelength) and low intensity. As the heating continues, the frequency of oscillation also increases as does the frequency of the emitted radiation and the intensity of the radiation. A graph of intensity vs. wavelength would start high on the left (at short wavelengths) and fall off to the right exponentially to low intensity at long wavelengths. This graph would be at odds with the experimentally established graph of intensity vs. wavelength(which shows low intensity at short wavelengths) because the classical assumption that frequency of oscillation can increase continuously as the oscillators are heated is not correct. Frequency of oscillation can increase only in integral multiples of the fundamenal frequency.
What is the solution to the Doppler effect problem involving a moving source of sound and a stationary observer?
The solution to the Doppler effect problem involving a moving source of sound and a stationary observer is to use the formula: f' f (v vo) / (v vs), where f' is the observed frequency, f is the emitted frequency, v is the speed of sound, vo is the speed of the observer, and vs is the speed of the source. This formula helps calculate the change in frequency perceived by the observer due to the motion of the source.
Why is frequency modulation used for radios?
This is because there is much less interference with FM vs. other cost-effective modulation methods, like AM for example.
