Solutions in Physics
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Physics › Electronics › Solution Id 14091
Determine the carrier frequency, Intelligence frequency, Modulation index, total power in FM signal, Carrier power, and ...
An FM transmitter delivers to a 75 ohm antenna a signal voltage of ...
Physics › Electronics › Solution Id 14090
Determine the required bandwidth to transmit the FM signal and RC time constant required for Preemphasis circuits.
1.What is the required BW to transmit an FM signal if the maximum deviation is 60 KHz and intelligence frequency is 15 KHz?
2.Why is Preemphasis requi...
Physics › Electronics › Solution Id 14089
Determine the power distribution in carrier and sidebands.
Determine the power distribution in carrier and sidebands if the transmitted power is 1,000 W and mf = 1.
Physics › Electronics › Solution Id 14088
Explain why the FM requires wider bandwidth as compared to AM.
1.What is the reason that FM requires wider bandwidth as compared to AM?
2.What characteristics of FM signal are shown by Bessel Function Solution of ...
Physics › Electronics › Solution Id 14087
Define FM and modulation index for FM wave.
2.What parameter of the intelligence signal causes frequency deviation of the carrier?
3.What parameter of the intelligence signal causes...
Physics › Electronics › Solution Id 14086
Find the carrier power, total power, power in sideband, carrier rms voltage and the peak voltages for carrier and ...
An AM transmitter is transmitting at 1000 W. If the modulation index is 0.9 and antenna impedance is 50 ohms, find:
Physics › Electronics › Solution Id 14085
Determine the frequency components of an AM signal and draw the AM signal for the given modulation index.
1.You are tuned to an AM station at 1200 KHz. Write down the frequency components of the received AM signal.
2.Draw an AM signal for the given conditi...
Physics › Others › Solution Id 14084
Finding the modulation index for the given trapezoidal pattern of AM signal.
Find the modulation index corresponding to the given trapezoidal pattern for the AM signal.
Physics › Others › Solution Id 14083
Determining the carrier power (PC), sideband power (PSB), and total power in the AM signal.
An AM signal has an unmodulated carrier voltage VC = 10VP, a load resistance of RL = 10, and a modulation index of m =&n...
Physics › Fluid Mechanics › Solution Id 14082
Determining the boundary layer thickness and drag on a given plate.
Water at 15°C flows over a plate 2m long and 25cm wide at a velocity of 5 m/s along its length. Determine the boundary layer thickness and the dra...
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Economics › Macroeconomics › Solution Id 14653
Discussion on the causes of the stagflation of 197...
1.(Stagflation) what were some of the causes of the stagflation of 1973 and 1979? In what ways were these episodes of stagflation different from the g... Read More
Economics › Microeconomics › Solution Id 14652
Calculation of market clearing price and quantity.
Suppose a highly competitive market is described by the following supply and demand functions S= 3P=90 and D=7910 -5P .suppose also that a repre... Read More
Economics › Macroeconomics › Solution Id 14651
Explaining the relation between macroeconomic vari...
Describe the relationship between each of the following variables based on the experience of the U.S. economy over the past 30 years.
(a) ... Read More
Economics › Macroeconomics › Solution Id 14650
Discussion on recent recession.
a) Explain what is measured by Real GDP.
(b) When a recession is over, do people begin to immediately feel the effects of an efficient economy? Use th... Read More
Economics › Econometrics › Solution Id 14649
Calculation of variance and standard deviation of ...
A company is considering between two projects: project 1 and project 2. The estimated cash flows and their probabilities of the two projects are given... Read More
Economics › Microeconomics › Solution Id 14648
Calculation of optimal output.
Two monopolistically competitive firms face the same demand and total revenue functions but face different total cost functions. These demand, total r... Read More