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1. Discuss the consequence of the frequency dependence of the phase velocity of a wave in a material medium.
2. What is loss tangent? Discuss its significance.
3. What is the intrinsic impedance of a material medium? What is the consequence of its complex nature?
4. How do you account for the attenuation undergone by the wave in a material medium?
Design a timing circuit which provides an output signal that stays on for exactly eight clock cycles. A start signal sends the output to the 1 state, and after eight clock cycles the signal returns to the 0 state.
Assume that al1ll1ove~are made to minimize the total cycle time If loading and unloading the plate take 20 sec (total handling time. determent the time required for the work cycle.
1) Briefly explain what happens when the VSYNC goes from '1' to '0' for negative sync polarization2) Briefly explain what happens when the HSYNC goes from '1' to '0' for negative sync polarization
b)If the calculator produces three digit random numbers that are uniformly distributed between 0.000 and 0.999, find the variance of the sample mean. c) How large should the sample size be in order to obtain a sample mean whose standard deviation i..
A 2-kHz sound wave traveling in the x-direction in air was observed to have a differential pressure p(x,t) = 10 N/m^2 at x = 0 and t = 50 μs. If the reference phase of p(x,t) is 36 degrees, find a complete expression for p(x,t). The velocity of so..
A 50 Hz induction motor runs at 576 rpm at full load.
Discuss what is meant by the transient stability of a power system and what assumptions have you made for this study. Describe the procedure you need to carry out to determine the stability of the system.
A jaw crusher, with a closed setting of 3 in., produces 200 tph of crushed stone. -Determine the number of tons per hour produced.
List three standard socket calls that you would expect every connection-oriented server to invoke that would not normally be invoked by any client. Briefy indicate why a typical client would not need to invoke these calls.
Determine the time of operation of a 5 amp. , 3 sec. over current relay having a current setting of 150 percent and a time setting multiplier of 0.8 connected to supply circuit through a 500 /5 current transformer when the circuit carries a fau..
A solar panel consists of four parallel columns of PV cells. Each column has 10PV cells in series. Each cell produces 2W at 0.5V. Compute the voltage and current of the panel.
Consider a PNP BJT optimum designed for low voltage high current gain. (a) Draw energy band diagram with proper labeling with VCB= -0.7V, VEB= 0.7V. Which mode is the BJT operated in (b) Plot excess minority charges stored in each region with pro..
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