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A 800 metres 2-wire d.c. distributor AB fed from both ends is uniformly loaded at the rate of 1·25 A/metre run.
Calculate the voltage at the feeding points A and B if the minimum potential of 220 V occurs at point C at a distance of 450 metres from the end A. Resistance of each conductor is 0·05 Ω/km.
Fourier transform X(w)=Xreal(w)+j(Xi(w)). Determine and represent the signal y(w) that gives the fourier transform of Y(w)=Xi(w)+Xreal(w)e^exp(j2w).
An individual is exposed 75% of the time to radon with a physical concentration of 4.6 pCi/L and an equilibrium factor of F = 0.6. The remaining 25% of the time, the individual is exposed to radon at a concentration of 1.3 pCi/L and with an equili..
What are the principal technologies and standards for wireless networking, communications, and Internet access?
Describe in you own words how a modem works and what steps the data goes through to be sent from one terminal to another via modem.
Two friends A and B meet every morning at the Grand Central Station around 7 am. Suppose the actual times they arrive are independent and uniformly distributed between 6:55 am and 7:05am.
What is the total daily flow of water through the aquifer - Determine the groundwater flow through a 6 km wide section at right angles to the direction of groundwater flow.
Suppose the information portion of a packet contains 10 bytes consisting of the 8- bit unsigned binary ASCII representation of string "Link Layer".
A current of 5A flows through a resistor connected in series with choke coil. It is supplied with 250 V , 50Hz supply . If potential difference across resistor is 125 and across choke coil is 200 volt .
Define the doppler effect giving a practical example.- Consider the two cases of doppler efferct giving the definitions of each term used.
Find the Wiener-Hopf equation for the optimum (in the minimum mean square error (MMSE) sense) filter.- Find the form of the Wiener filter.
If the amplifier is fed from a voltage source Vsig having a resistance Rsig = 1kΩ, find the transfer funtion Vo/Vsig as a function of the complex-frequency variable s and hence the 3-dB frequency fH and the unity-gain frequency ft.
A turn contains three blue and seven white chips. A chip is selected at random. If the color of the chip selected is white, it is eplaced and two more white chips are added to the urn.
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