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A sound wave with an intensity level of 80.9 dB is incident on an eardrum of area 6.00 times 10-5 m2. How much energy is absorbed by the eardrum in 3.0 minutes?
Five periods of the signal s(t)=sin(2500pi*t) are sampled at a sampling frequency of 4000 Hz. a. Does this sampling frequency meet the Nyquist requirement for the signal? b. How many samples are collected
Use the table on slide 11 of this lecture and determine the line parameters L and C of the transmission line. Consider that the TL is lossless and µ = µ0 for polystyrene. Then find the characteristic impedance of the line Z0, phase velocity
design a regulated poewr supply with these specs Output a dc voltage of 10 V Load Variation: 0.3 -10000ohms Ripple Factor: less 0.1% for 2000ohms load
Two infinite parallel grounded conducting planes are held a distance 'a' apart. A point charge 'q' is placed in the region between them, a distance 'x' from one plate. Find the force on 'q'.
Fuel cell systems that also utilize the heat produced can achieve efficiencies approaching 80 percent , more than double of the gas-turbine based electruiical generation . Assume that 25 million houuseholds produce an average of 5 kw.
Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 3cm and the distance between the two conductors is 2m .
A star-bus hybrid topology consists of a main three branch star toplogy with each branch connecting three stations in a bus topology. This toplogy is changed to a new bus-ring hybrid topology with main five station bus topology.
In one type of computer keyboard, each key holds a small metal plate that serves as one plate of a parallel-plate, air-filled capacitor. When the key is depressed, the plate separation decreases and the capacitance increases.
What is the quantization signal to noise ratio SNRQ at the receiver output? e. If the SNRQ were to be raised to 96 dB, how many bits would the ADC and DAC need? What would be the bit rate on the serial link?
Each phase of the load consists of an impedance of 30 + j40 *. Find the linetoneutral voltage phasors, the line-to-line voltage phasors, the line-current phasors, the power, and the reactive power delivered to the load.
Given a real-time digital signal processing system, how do the sampling frequency and the number of bits used in performing the analog-to-digital conversion of an analog input signal impact the design and performance of the system
Find a possible series RL circuit equivalent to N.
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