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an unknown sensor is investigated by connecting resistors across the output and measuring the current through them. When a resistance of 30? is connected the current through it is 0.5A. When the resistance is replaced by 20?, the current through it becomes 0.55A. Find and draw the Thevenin and Norton circuits for this sensor.
An infinite grounded conducting tube of radius 10cm is centered on the z axis. A concentric charged tube of radius 6 cm has a surface charge density of 24 uC/m2. A 1m long section of the charged tube is compressed to change its radius to 3 cm.
Please list the properties of Discrete Fourier Transform. Explain each property with an example to show what it means physically and explain the physical meaning of Z Transform
A constellation diagram has four points located at (2,2), (-2,2), (-2, -2), and (2, -2) on the I(in-phase)-Q(quadrature phase) plane. Find the value of peak amplitude and the type of modulation this diagram represents.
A lossless transmission line of electrical length l = 0.3? is terminated with a complex load impedance . Find the reflection coefficient at the load, the SWR on the line, the reflection coefficient at the input of the line
There are three numbers stored in Memory Locations 10-12. Write a machine language program to load each number in the accumulator one at a time. Use the immediate addressing mode to add four to each value that is loaded to accumulator.
The 24-bit data field of a packet is given by 0xBC603F. The packet contains a CRC with the generator polynomial given by X 3+X+1 a) Find the CRC checksum. Provide the complete code-word including the checksum in hex.
Explain the structure and nature of the ionosphere with reference to daily, seasonal and long-term changes and explain the modes of propagation of radio waves of different frequencies
A filter with a great deal of attenuation must be placed in an amplifier chain. Ignoring all considerations other than the desire to minimize noise figure, would it be preferable to put the filter before or after a low noise amplifier Why
(a) Compute the minimum voltage that the output voltage across R1 falls to when both capacitors C1 and C2 are present. (b) Using the same model for D1, compute the maximum voltage that the output voltage across R1 rises to.
4. Your measurement device samples data every 0.1 minute. What is the heart rate you will measure 5. How will your measurement change if the sampler period goes down to 0.01 minute 6. How will your measurement change if the sampler period goes up to ..
mesh analysis involves writing and solving a number of simultaneous equations. The number of equations is equal to the number of independent loops in the circuit. Each equation is derived from the application of KVL around the loop.
Suppose you have a line charge and a point charge in space. A point charge of 16nC is located at Q(2,3,5) in free space, and a unifor line charge of 5nC/m is at the intersection of the planes x=2 and y=4. If the potential at the origin is 100V, fi..
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