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A radar antenna transmits 50 kW at 10 GHz. Assume transmission is in a narrow beam, 1 m2 in area, and that within the beam, waves are plane waves. The wave is re?ected from an aircraft but only 1 % of the power propagates in the direction of the antenna. If the airplane is at a distance of 100 km, calculate the total power received by the antenna. Assume permittivity and permeability of free space.
A resistor on a Wheatstone bridge is replaced with a strain gage which has a nominal resistance of 120 Ohms and a gage factor of 2.06. The remaining resistors on this quarter-bridge Wheatstone bridge circuit are 120 Ohm fixed resistors.
What is the magnitude of the force that the unknown charge exerts on the charge of magnitude -0.600 micro-Coulombs?
Design a circuit to hold the lightsfor the indicated time. To help in the solution draw a blockdiagram of the problem, then a circuit diagram, then the requiredcalculations and values for all the circuit elements and finally the results to support..
A series circuit has a resistance of 1 ohm and an inductance of 1 ohm. The voltage across the circuit has an amplitude of 15 volts and a phase shift of 30 degrees. What is the current of the circuit in frequency and time domain
Saw on internet some equations to convert from frequency in hertz to mph. Some equations need a gear ratio while others do not. I found the equation mph = circumference * RPM * 60.
A CB transmitter is rated to supply 4 W of carrier power to a 50 Ohm load while operating from a power supply that provides 13.8 V. The nominal supply current is 1 A without modulation and 1.8 A with 80 % modulation.
Two infinitely long coaxial cylinders ofradii a and b ( a > b) carry surface charge+ λ and -λ respectively. Find the E field in theregion inside the inner cylinder, between the cylinders, andoutside the cylinders.
The R2= 6 homs load in the circuit is absorbing four times as much average power as the R1 = 20 ohmsohms load. The two loads are matched to the sinusoidal source that has an internal impedance of 500 (angle) 0 1)What is the numerical value of a1
The open circuit voltage of the battery is 1.493 V. When a 100 resistor is connected across it, its measured voltage is 1.356V. Find its approximate Thevenin resistance and draw a model for the battery.
A superheterodyning FM receiver was originally designed and built to operate in the US only. The FM broadcasting band in the US is from 87.5 MHz to 108 MHz. The intermediate frequency of the receiver is fI = 10.7 MHz. This receiver has a poor RF B..
Sketch a graph of the drain-source current, IDS, as a function of drain-source voltage, VDS, for an enhancement-mode NMOS transistor with a threshold voltage of 1 V. On the same graph indicate how this curve would be shifted for a depletion-mode N..
Develop a state diagram for a sequential circuit that has two input terminals (W and X) and two output terminals (Y and Z). When three consequtive 1's are detected on W, Y will become 1.
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