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a. Consider three dielectric media with flat and parallel boundaries with refractive indices n1, n2 and n3.
Show that for normal incidence the reflection coefficient between layers 1 and 2 is the same as that between layers 2 and 3 if n nn 2 1 3 = . What is the significance of this?
b. Consider a Si photodiode that is designed for operation at 900 nm. Given a choice of two possible antireflection coatings, SiO2 with a refractive index of 1.5 and TiO2 with a refractive index of 2.3 which would you use and what would be the thickness of the antireflection coating you chose? The refractive index of Si is 3.5.
Find the current that flows in a silicon bar of 10-µm length having a 5-µm x 4-µm cross section and having free electron and hole densities of 105 / cm³ and 1015 / cm³, respectively, when a 1 V is applied end-to-end. Use µn = 1200 cm²/V·s and µp =..
certain digital communication schemes use redundancy in the form of an error control code to improve the reliability
The heat transfer coefficient is h and the ambient temperature is Model the shaft as semiinfinite fin and assume that all frictional heat is conducted through the shaft. Determine the temperature distribution.
Calculate the new speed and armature current if an external armature resistance of value 5Ω is inserted in the armature circuit. Neglect armature reaction and saturation.
Determine the power dissipated in the 10 ohm resistor in both case (a) and case (b).
For x (t) = 5 sinc2 (5πt) + sin 20πt, can you reconstruct x (t) from the samples of x (t) at a rate of 21 Hz? Explain your answer with spectral representation(s). Comment on your results.
Which ethical theory applies best in this case? What does the code of ethics of the IEEE tell us about this case?
For more details on the PML in the FDTD method, see the article by Rappaport et al. [2].
Purchasing a Pizza The probability that a customer selects a pizza with mushrooms or pepperoni is 0.43, and the probability that the customer selects only mushrooms is 0.32. If the probability that he or she selects only pepperoni is 0.17, find th..
If the temperature remains constant and the external currentlI increases, what happens to the size of the depletion region Why
Find out the birthday (month and day but not year) of a randomly chosen person. What is the sample space of the experiment. How many outcomes are in the event that the person is born in July
Find the variance of the Monte Carlo estimate.- How much faster do you expect the IS simulation to run as compared to the MC simulation?
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