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Describe the Faraday magneto-optic effect. How can it be used for impressing information on a beam of light? A cylindrical rod of magneto-optic material, of length L with Verdet constant V at the wavelength of light to be used, is placed wholly within an N-turn solenoid, also of length L, so that the rod and solenoid axes are parallel. A beam of Iaser light, with power P watts, passes through the rod along its axis. The light entering the rod is linearly polarized in the vertical direction. The light emerging from the rod is passed through a polarization analyser whose acceptance direction is vertical, and then on to a photodiode which has a sensitivity of S amps watt-1.
A current ramp is applied to the solenoid, of the form:
i = kt
where i is the current at time t, and k is a constant. Assuming that optical losses are negligible for the arrangement, derive expressions for the amplitude and frequency of the AC component of the signal delivered by the photodiode.
What was the value of T Is this value unique? If not, find another value of T consistent with the information given.
figure 1 depicts a simplified scheme for cdma encoding and decoding. there are seven logical channelsall using dsss
What is the total daily flow of water through the aquifer - Determine the groundwater flow through a 6 km wide section at right angles to the direction of groundwater flow.
Find an expression for the average probability of error with matched filtering assuming symbol 1 and 0 occur with equal probability.
The surface charge density throughout the z = 0 plane isρs = 1/ρ[C/m2],where ρ is specified in meters. Find the total chargeQ that is contained in a circular disk of radius 1.0[m]that is centered about the origin in the same plane.
Let the input to a singly-balanced mixer, f(t), be given by V0 Sin (2 pi fs t). The local oscillator input p(t) is a square wave, alternating between 0 and +1 volt. The freqency of the square wave is 10 MHz, while for the input, fs is 100 KHz.
Determine the transfer function for a first order low pass filter with a cutoff frequency of 1000 radians/sec (note radians and not Hertz) and a pass band gain of 1 using the following types. (a) Butterworth type
What is the equivalent admittance of the circuit for Z1 = 12, Z2 = 5 - j7, Z3 = 4 + j36 and Z4 = j10 (all in ohms) Note: Z1 and Z3 are in parallel connected to Z2 + Z4 in series, equal Zt || to Z1||Z3
Further suppose that the coins C1, C2, and C3 are biased such that the probabilities of a head occuring for coins C1, C2, and C3 are 0.9, 0.75, 0.60, respectivley, while the fourth coin C4 is a fair coin. A. If the ou..
1) Determine the resistance range for resistors with the following color codes: a. Red-Orange-Orange-Silver b. Gray-Red-Red-Gold c. Yellow-Purple-Yellow-Gold 2) Determine the color code for the f..
Calculate the capacitance per phase of a three-phase, double circuit lines as shown in fig 2.59. The diameter of each conductor is 1.8 cm.
A 25 MVA, three phase, 13.5kV, Y-connected, two pole, 60 Hz synchronous generator was tested by the open circuit test and short circuit test and tabulated in table 1. If the armature resistance is 0.24 ohms per phase
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