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A president, secretary, and treasurer are to be chosen from a group of 10 senior members of the IEEE student chapter at the Citadel. Assume that each member cannot serve more than one position. How many different choices of officers are possible if
(a) there are no restrictions;
(b) Members A and B refuse to serve together;
(c) Member C will serve only if he is president?
An incident wave of light travels through glass (n = 1.4) to water (n = 1.33) at an angle of 350. a. What is the angle of reflection and refraction b. What is the critical angle for this system
Plot the signal x(n) 0
A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W.
A lossless transmission line, with characteristic impedance of 50Ω and eletrical length of l=0.27λ, is terminated by load impedance 40-j25Ω. Determine voltage reflection coefficient.
a. Express the transfer function in descending powers of s with the coefficients of the highest power of s unity in both the numerator and denominator. b. Determine where the poles and zeroes of the transfer function are located.
A second method of development will recover only 50% of the ore deposit , but it will cost only $15 per ton of material removed.Subsequent processing of the removed ore recovers 300 pounds of metal from each ton of processed ore and cost $40 per ..
Add Z1 = 3ej30 degree and Z2 = 4e -j60 degree together. Write your result in both rectangular and polar form. In polar form, indicate whether your angle is in radians or degree s. Multiply Z1 = -2 + j3 and Z2 = 4 + j2 together.
A discrete-time LTI system has the impulse response h[n]. Use linearity and time invariance to determine the system output y[n] if the input is h[n]={-2:n=-1, 3:n=0, 2:n=3, -4:n=5}
Apply the classical Runge-Kutta method to solve the following initial value problem given y(0)=1 and the step size h=0.1. Verify solution using MATLAB. Plot the solutions obtained by using ode45 and dsolve. Compare the graphs and provide an explan..
Which transistor bias circuit arrangement provides good Q-point stability, but requires both positive and negative supply voltages.
How many turns are required for a circular loop of 100-mm radius to develop a peak emf of 10mV if the loop rotates 30r/s in the earth's magnetic field Take B = 60E-6T.
An infinite line of charge sits on the z axis in free space. The linear charge density is p = 1C/m. What is the potential difference at point (2,pi/2,4) with respect to point (5,0,1) assuming both points are in cylindrical coordinates.
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