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Application: Measurements of line conditions. A lossless transmission line is connected to a matched load. The characteristic impedance of the line is 50 Ω. An additional load is connected to the line. To determine the additional load, the maximum voltage on the line is measured as 48 V and the minimum voltage on the line is measured as 30 V. From these measurements, calculate:
(a) The additional load connected across the matched load.
(b) What are the maximum and minimum line impedances and where do these occur?
The exposed surface (x = 0) of a plane wall of thermal conductivity k is subjected to microwave radiation that causes volumetric heating to vary as where q"0 (W/m3) is a constant. The boundary at x = L is perfectly insulated, while the exposed sur..
12.48 A large room contains moist air at 308C, 102 kPa. The partial pressure of water vapor is 1.5 kPa.
why does necking occur during a tensile test? use your knowledge of engineering stress and strain to explain the
air enters an insulated compressor operating at steady state at 1.05 bar 23 degrees c with a mass flow rate of 1.8 kgs
For the system shown below in the figure, calculate the vertical distance between the surfaces of the two reservoirs when water at 10° C flows from A to B at the rate of .03 m3/s. The elbows are standard. The total length of the 4-inch pipe is 100..
a machine is found to vibrate with simple harmonic motion at a frequency of 20hz and an amplitude of acceleration of
determine the component of vector a in the direction of vector b. verify that the computed unit vector has a magnitude
a hydraulic jump forms in a horizontal trapezoidal channel. the base width is 4m and the side slopes are 45 degrees.
an elevator weighing 1000lb is carrying a load of 500 lb and descending at 20 fts. the cable supporting the
a carnot heat engine operates between 40c and 320 c. what is the thermal efficiency? if the work output is 200 kjkg
Initially open and at rest,the door is struck at its center by a handfuIof sticky mud w ith mass O.5 kg, travelling perpendicular to the door at 12.0 m/s just before impact. Find the final angular speed of the door.
1kg of superheated r-134a at 10 bar and 150oc is cooled and condensed in a cylinder at constant pressure. how much heat
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