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question the 10 db beam width is the beam size between the angles at which f theta is 10 db below its peak value
question a uniformly illuminated rectangular aperture situated in the x-y plane is 2 m high along x and 1 m wide along
question compare directivity dant of a 1 m diameter antenna aperture operating at 10 ghz with directivity deye of the
question a 94 ghz automobile collision-avoidance radar uses a rectangular-aperture antenna placed above the cars bumper
question repeat problem for a nine-element arrayproblem find and plot the normalized array factor and determine the
question repeat problem for tv channels each requiring a bandwidth of 6 mhzproblem a transponder with a bandwidth of
question a 10 ghz weather radar uses a 15 cm diameter lossless antenna at a distance of 1 km what are the dimensions of
question a radar system is characterized by the following parameters ptnbsp 1 kw tau 01 mus g 30 db lambda 3 cm and
question the skin depth of a certain nonmagnetic conducting material is 3 mumnbspat 5 ghz determine the phase velocity
question a photon of red light wavelength 690 nm and a ping-pong ball mass 260 times 10-3 kg have the same momentum
question an aquarium filled with water nwater 133 has flat glass sides whose index of refraction is 158 a beam of
question if a 1000 watts toaster is hooked up to the 110 volts outlet then what is the resistance of the heater coil
question a sphere of radius 0803 m temperature 495degc and emissivity 0654 is located in an environment of temperature
question please give a description of the planet mars and its oceans and how they were discovered also describe a what
question a wire rope is fixed at two points a amp b weighing 20kn amp30 kn resp are attached to b amp c resp the wights
question three forces acting at a point are in equilibrium if they make angles of 120 with one another shew that they
question a machine part consists of a thin 449-cm-long bar with small 196-kg masses fastened by screws to its ends the
question what viewed in a spherical mirror the image of a setting is a virtual imagethe image lies 120cm behind the
question a stationary conducting loop with an internal resistance of 05 omega is placed in a time-varying magnetic
question a circular-loop tv antenna with 002 m2nbsparea is in the presence of a uniform-amplitude 300 mhz signal when
question a rectangular conducting loop 5 cmtimes10 cm with a small air gap in one of its sides is spinning at 7200
question the plates of a parallel-plate capacitor have areas of 10 cm2 each and are separated by 2 cm the capacitor is
question a coaxial capacitor of length l 6 cm uses an insulating dielectric material with r 9 the radii of the
question a linearly polarized plane wave of the form e xaxe-jkznbspcan be expressed as the sum of an rhc polarized
question in a medium characterized by epsilonr 9 mur 1 and sigma 01 sm determine the phase angle by which the