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An aperture-coupled rectangular waveguide cavity has a resonant frequency of 9.0 GHz and an unloaded Q of 11,000. If the waveguide dimensions are a = 2.5 cm and b = 1.25 cm, find the normalized aperture reactance required for critical coupling.
calculate the minimum sampling interval (time period for counting the pulse train) to achieve a speed resolution of 5 rpm, and the number of bits that must be there in the binary counter if the pulse train is to be sampled with this interval for a..
Compare the Q-function and the approximation to it for large arguments given by (5.202) by plotting both expressions on a log-log graph. (Note: MATLAB is handy for this problem.)
The resistance of coil manufactured by a certain company is claimed to have a mean value of resistance of 100 ohms. A sample size of 50 coils is taken and it is found that the sample mean is 115 ohms and the sample standard deviation is 10 ohms.
consider a cartesian co-ordinate system on a plane the plane lines on the x- and y-axis. a current of 100 a is
Write a program to blink the last 3 digits of your social security number on 3 bits of Port B. For example if the last 3 digits are 654 then bit 2 of Port B should blink 6 times, bit 1 should blink 5 times and bit zero 4 times.
The light sensor, which is active when it is dark, monitors the outdoor light and the timer can be programmed to any time. Design the logic to turn on an indoor light if it is dark outside and the timer has set the enable. A high turns on the ligh..
the ends of a length of wire are labeleda and b. If the current in the wire is iab = -3A, are electrons moving toward a or b? How much charge passes through a cross section of the wire in 3 seconds?
Determine the distance to an earth fault on one of the cores of a uniform three-core underground cable - calculate the distance to the fault.
Explain briefly why a capacitor can block DC voltage. How might you use this feature in a design. Explain why the impedance Zeq of a parallel RC circuit decreases as the frequency increases.
Metal sphere 1 has a positive charge of 8.0 nC. Metal sphere 2, which is three times the diameter of sphere 1, is initially uncharged. The spheres are then connected together by a long, thin metal wire. What are the final charges on each sphere
Assume a thermocouple generates a linear voltage from 20 mV to 50 mV when the temperature changes from 750 degrees F to 1250 degrees F. How much voltage will be generated when the temperature of the thermocouple is at 1000 degrees F
Heat is added until the final volume is twice the initial volume. Assume that Helium behaves as an ideal gas. Use the table provided to determine the specific heats of helium and determine the following. Find the temperature at the final state.
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