Assignment #1 Vector Algebra 1) Three field quantities are given by P= 2ax - az Q= ax - ay+ 2az
R= 2ax - 3ay+az
Determine (a) An unit vector perpendicular to both Q and R (b) The component of P along Q (c) (P+Q) x (P-Q) (d) Q. R x P 2) Given the vector fi
EE501 - Assignment 3 1. Two rails each have a resistance of 2.2ohms/m. A bar moves to the right at a constant speed of 9m/s in a uniform magnetic field of 0.8T. Find I(t), 0<t<1s, if the bar is at x = 2m at t = 0 and a) A 0.3ohm resistor is present across
Assignment #4 1. A 2.4-GHz wave propagates in a medium characterized by r = 1.6, r = 20, and =
2.5 S/m. The electric field intensity in the region is given by E=0.1 e z cos(t-z)ax V/m.
Determine the attenuation constant, the propagation constant, the intr
Assignment #5 1 50 a. b. c. d. 2. a. b. c. A signal is attenuated by .02 dB for every meter travelled on a distortionless transmission line. If this line has a capacitance of 80pF/m, find R L G vp A lossless 100 transmission line is terminated by 200 + j2
Assignment #6 1. A parallel-plate wave guide is constructed for operating in the TEM mode only over the frequency range 0 < f < 3 GHz. The dielectric constant between plates is r=2.1.Determine the maximum allowable plate separation distance. 2. A parallel
Assignment #7 1. In a rectangular wave guide a=1.5 cm b=.8 cm ,=0 ,r=1 , =40 and magnetic field is given by: Hx=2sin (x/a) cos (3y/b) sin (*1011t-z) A/m Determine a. The mode of operation b. The cut-off frequency c. The phase constant d. The propagation c
Assignment 8
November 5, 2009
1. An Antenna has eld pattern given by E () = cos2 () for 00 900 . Plot the pattern and nd the beam area of this pattern. 2. A plane wave is incident on a short dipole with its axis along y direction. The wave is assumed to b
Assignment #9 1. Design a parabolic antenna for an antenna gain of 6000 at a frequency 6000 MHz. Calculate the beam width between half-power points of this antenna. Assuming 90% antenna efficiency, calculate the power received if the incoming signals have
Assignment 7 Solutions
November 7, 2009
1. a = 6cm, b= 4cm (a) The fundemental mode is T E10 mode. The next mode is T E01 mode The cuto frequency of T E01 mode is f01 = (b) The next mode is T E11 and T M11 mode Their cuto frequencies are f11 = (c) =
m 2 n