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1 ) A satellite in Geosynchronous orbit (37000 Km above the equator ) is used for communication at 30 GHz . The Atmosphere is 15 Km thick . Assume free space above the atmosphere and plane wave propagation . Properties of the atmosphere are ε= 1.05 ε0 , µ = µ0 and s= 10-6 S/m . calculate :a) the phase velocity in air and in free space .b) The attenuation and phase constant in air and in free space .c) the propagation constant in air . compare with the propagation constant in free spaced) compare the intrinsic inpedance in free space and in air .
2) the Electric field intensity of a plane electromagnetic wave is given as E(z) = 8 cos (106 π t ) ix at point ( x=0 , y=0 , z=0 ) . the magnetic field intensity is the positive y direction and the wave propagates in a material with properties ε= ε0 , µ = µ0 and σ= 1.5 x 10-5 S/m .a) calculate the magnetic field intensity at a distane of 1 Km from point P in the direction of propagationb) how much faster does the wave propagates if σ=0 ?
3W light connected to ideal 9V battery with ideal wires a) Draw diagram using circuit symbol for a resistor in place of bulb b) What would current draw from bulb be. I= c)What is if the equivalent resitance of the bulb
If we want to correct the power factor to 0.9 lagging, what is the value of Q we need to inject.
In a ternary number system there arethree digits : 0, 1, and 2. The figure shown below defines aternary half-adder. Design a circuit that implements thishalf-adder using binary-encoded signals, such that two bits areused for each ternary digit.
Calculate the following for this circuit: PR1 W PR2 W PR3 W PR4 W PD = PR1 + PR2 + PR3 + PR4 W 6. Verify that the total power dissipated in the resistors, PD is equal to the power supplied by the DC source, PS.
Your will simulate 10lottery drawings. Store those data to a 3 10 array. The rowsindicate the three balls in a lottery drawing. The columns indicatethe 10 times drawings.
Design an opamp circuit to perfom the following mathmatical operations on three seperate ideal voltage sorces, V1, V2, and V3. V0 = 10V1 + 4V2 - 8V3
Perform the following addition or subtraction of the given numbers using 8-bit 2's complement representation of the numbers. Parts (a) and (b) are given in decimal, while parts (c)-(e) are given in 8-bit 2's complement.
A single-phase 50-KVA, 2400/240-volt, 60-Hz distribution transformer has a 1-ohm equivalent leakage reactance and a 5000-ohm magnetizing reactance referred to the high-voltage side. If rated voltage is applied to the high-voltage winding
An incandescent light bulb can be modeled as a resistor with a value of a few ohms. Imagine an incandescent light bulb goes out in your house. Using your trusty multimeter, how would you check if the bulb is bad and needs replacing
Write a VHDL description of a BCD-to-Binary converter. Initially a three-digit BCD number is placed in the A register. When St signal is recieved, conversion begins, and the resulting binary number in stored in register B.
A sirloin steak (e'r = 52.4, µr = 1, tan dc = 0.33) is to be heated in a microwave oven operating at 2.45 Ghz. (a) Determine the uniform plane wave penetration depth. (b) Determine the complex impedance of the material.
A sequential circuit has two JK flip-flops and , one input , and one output . The flip-flop input equations and circuit output equation are: Ja=Bx Ka=x' jb=A'x Kb=A+Bx; Y =Ax'+Bx'
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