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1. A 100-kΩ resistor dissipates 50 mW. Find the current through the resistor.
2. The conductance of a particular semiconductor resistor is 0.05 mS. Find the current through the resistor when connected across a 1:5-V source. 2-7 In Figure P2-7 the resistor dissipates 25 mW. Find Rx.
A. What is the reflection coefficient of the load B. If a quarter-wave transformer is inserted between the transmission line and the load, what shall be the characteristic impedance Z0 of this quarter-wave transformer in order to realize an impeda..
A coil wound on a magnetic core is excited with the followingAC voltage sources: a) 100 volts, 50 Hz, b) 110 volts, 60 Hz.Compare the hysteresis losses and eddy current losses (ratio) forthe two different sources. For the hysteresis losses, assume..
Calculate the spectral efficiency. i.e.. the number of transmitted bits per unit bandwidth (or binary PAM, 4-PAM, and I28-PAM
In what way does the use of deterministic annealing offer an advantage over maximum-likelihood estimation in such a situation?
Find and sketch y(t) when x(t) is a train of action potentials (model the action potentials as δ-impulses) 100 msec apart from each other. Justify your drawing on the basis of your answer in (c) above and related properties of LTI systems and δ(t)..
Use the nearest four images and the charge q to calculate an approximate value at the center of the box, in the plane shown. Place a system of coordinates so that the lower left comer of the cavity is at (0, 0).
A 460V load draws 18kVA at 0.82 pf, lagging. Find the kVAR of capacitance required to correct the power factor to 0.93, lagging.
evise a state machine that computes the square root above using that datapath.
A binary channel with capacity 36 k bits/sec is available for PCM voic transmission. If signal is band limited to 3.2 kHz, then what will be the appropriate values of quantizing level L and the sampling frequency.
In lab, the instructor told us to build an inverter connected to a capacitor on the output and then view the results on the oscilloscope. What is the purpose of doing this even a t different frequencies
Experiment with the bandpass circuit as in Illustration 206 and establish how the envelope (Si-function) and the mid-frequency changes with the pulse response. How can the filter properties of the bandpass be seen clearly from the pulse response i..
The resistance and reactance of the first transformer are 3% and 6.5% respectively, and of the second transformer 1.5% and 8% respectively. Calculate the kVA loading and the power factor at which each transformer operates.
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