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Application: Receive-transmit system. Two units communicate with each other at 120 MHz and 10 W, in free space. Unit A uses a half-wavelength dipole antenna placed as shown in Figure. Unit B uses a 1/100 wavelength long dipole antenna and is 10 km from the transmitting antenna as shown.
(a) Find the current in antenna B when unit A transmits.
(b) Find the current in antenna A when unit B transmits.
moist air initially at 70 percent humidity and 5 c is heated to 25c. the input flow rate is 3000 cubic meters per hour
Write an M-file to solve an equation with the bisection method and with the secant method to a desired accuracy precision. Request upper and lower limits for bisection (you may assign a step size or request an input value)
a thermocouple place in the mouth of a pitot tube can be used to measure the stagnation temperature of the flow. such
a reversible heat pump cycle operates between hot and cold reservoirs at th 27degc and tc -3degc respectively.
a briefly describe the following strengthening methods i solid solution strengthening iidislocation substructure
Water drains from a catch basin (with negligible water depth) through a 20-cm diameter, 40 m long concrete pipe flowing full with a surface roughness of 1.2 mm and a downward slope of 2o. Determine the flow rate (volume flow rate) of water from the c..
an air-water-vapor mixture enters a cooler-dehumidifier at the rate of 1000 ft3min. the mixture enters at 14.7 psia
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an electrically driven pump operating at steady state is used to draw water from a pond. at the pump inlet the pressure
Estimate the slope dp/dt of the ice +water line using the triple point information. Specific entropy of ice at the triple point is -1221J/kgK , specific entropy of liquid water at triple point is 0.0 J/kgK. Determine therefore the temperature in Cels..
a hot surface on a stovetop faces upwards. it is a pan whose diameter is 10 inches. the surface of the pan is dull with
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