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1. Assume you. have a photodctcctor with a current rcsponsi vity of 5 AJW. A continuous wave HeNe laser with wavelength of 632.8 nm and spot size of 0.5 mm2 is incident on the active area of the detector. Assume that 6.37 x l 021 photons per m! arrive on the detector each second. Calculate the expected photocurrent un der these cond itions. 2. A coaxial cable is used to transmit data with a bandwidth of 100 MHz. Calculate the maxi mum peak Johnson noise power for 300 K and 80 K.
The laboratory division of your company has sent you the following data for the system n-pentane (1) propionaldehyde (2) at 35 °C: The activity coefficients of the two components at infinite dilution are 4.0 and the saturation pressures of the pur..
Demonstrate the principle of the Solovay and Strassen primality test on the number m = 33 The number m has been made small in this problem to keep the calculations simple. So, do not make use of numbers that "incidentally" have a factor in common ..
In order to make it into a common base amplifier, terminals a and b are connected together, and capacitor CE is disconnected from ground and used to couple a signal from a source to the emitter. Determine Ri, Rin, Av1, and Ai.
What is element X? Propose a name for H2X? To completely neutralize a sample of H2X, 35.6 mL of 0.175 M OH solution was required. What was the mass of the H2X sample used?
Compute the mean and variance for each of the following activities: Activit y A B C D E F G H I J Optimisti c 5 3 18 9 8 1 45 12 7 22 Pessimisti c 10 21 32 11 8 10 95 15 11 80 Most Likely 7 15 25 10 8 6 60 13 9 60
What is the degree of a binary, minimal polynomial of a primitive 17-th root of unity .How many such polynomials do exist? Prove that each is its own reciprocal. Determine these polynomials explicitly.
Assuming adiabatic operation, what is the mass flowrate of the water? What is SG for the process? What is the irreversible feature of the process?
What is the drawdown at the perimeter of the well pumping 225 gpm when both wells are operating?
Take the natural gas to be an ideal-gas mixture with temperature-dependent heat capacities for each component given in Perry's Handbook. Is the ideal-gas assumption reasonable?
A plating waste with a flow of 50 L/min contains 274 mg/L of NaCN. Determine the amounts of chlorine as Ca(OCl)2 and NaOH required to: (a) Oxidize the cyanide to cyanide; and (b) Oxidize the cyanide to CO2 and H2O.
A 30.0 liter cylinder of a gas containing 97.0 mole% CO and 3.0% CO2 is delivered to your plant. The gauge on the tank reads 2000 psi. Several days later, the gauge reads 1875 psi, indicating a leak. The storage room in which the cylinder is kept has..
Taking the stator resistance to be 2.0 Ω, friction and wind age loss to be 7 W, and assuming Xl1 = X'l2, determine the parameters of the double revolving-field equivalent circuit.
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