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For a resistor, what resistance corresponds to a short circuit? For an uncharged capacitor, what value of capacitance corresponds to a short circuit? Explain your answers. Repeat for an open circuit.
A series circuit has a 9V voltage source with 1 k-ohm internal resistance. Fixed resistors in the circuit provide, 200-ohm and 400-ohm resistance, respectively. To what resistance should a 300-ohm potentiometer be adjusted
Imagine we discharge this capacitor by connecting its plates with a wire of resistance R.
Why A.C needs more insulation than D.C at same voltage level?
Explain how you could transmit two independent base-band information signals by using SSB on a common carrier frequency.
Interpreting frequency domain signal spectrum to time domain, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the voltage level of signals in volts vertically and frequency horizontally.
A FIR filter is depicted in the figure below. Assume that the system is at rest and an input sequence is applied to the system. Determine the first seven samples of the system output Assume that the system is initially at rest. x(n)=u(n)+u(n-1)-2u..
the average telephone is used to make four calls per 8hour workday with a mean call duration of 6 min. Ten percent of the calls are long distance. what is the maximum number of telephones an end office can support
a) How many ADC bits are required b) What is the maximum allowable noise at the amplifier output c) Design the analog amplifier/filter. A temperature transducer has the relationship: R= 200 + 10T where R is the O and T is in C(Celcius).
A 100 MHz plane wave is incident from air onto a dielectric medium ( \(\epsilon=\epsilon _{o}\) ) at normal incidence. Find the below. a. \(\Gamma \) and SWR b. \(\lambda \) in air and in dielectric c. Percentage of power density that is reflected f..
A silver-coated sphere of radius 5 cm carries a total charge of 12 nC uniformly distributedon its surface in free space. (a)Calculate |D| on the surface of the sphere and (b)external to the sphere
The feedback capacitance of an inverting amplifier is 10pF. What is the Miller capacitance at the input if the gain of the amplifier is -120 What is the Miller capacitance at the output of the amplifier
A light comes on in a storeroom when either (or both) of two doors is open. 1. What logic function is most suitable for this operation 2. Draw a circuit to represent each function using a logic gate
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