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If the voltage across the current through the series combination ofa resistance and an unknown energy-storage element are
v =200cos(10^(2)t + 60°) V and i = 5.547cos(10^(2)t + 93.69°)mA,
find the resistance as well as the unknown element.
Assume that the size of each track is the same. Compute the size of each cylinder on the disk both in terms of the number of bytes and the number of blocks. Also, compute the size of each track.
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. If the signal is applied to a SSB-LSB transmitter, indicate the output frequencies in kHz.
A second-order bandstop filter is required to satisfy the following specifications: fs= 8,000 Hz f0= 60 Hz bandwidth= 40 Hz Find the transfer function and difference equation by the pole- zero placement method.
To maintain a freezer box at -40°C on a summer day when the ambient temperature is 27°C, heat is removed at the rate of 1.25 kW. What is the maximum possible coefficient of performance of the freezer
A 5,600 km long transatlantic (NYC-London) communications cable made of optical fibers with nf~ 1.5. A white light pulse is generated at the input end in NYC. Refractive index for red light is nred =1.51, and for blue light nblue = 1.53.
Construct a ladder schematic of a series cirucit with a DC source, overload protection, ground, and a SPST control operating a lamp.
Find the Eb/no ratio in dB for a system operating at 10Mbps in a BW of 1MHz. the un-modulated carrier power is 0.1pW and the system noise temperature is 120 degrees Kelvin.
The secondary's of a step-down, three-phase transformer bank are delta connected and supply a three-phase 240v moter that draws 12A through each line. What is the current in each transformer winding If the turn ratio of the transformers
Writea program to simulate a lottery drawing that uses balls numbered from 1 through 10. Assume that three balls are drawn at random (Userandom numbers or allow user to input the number of lotterydrawings to simulate the random ..
What is the data rate of a digital electrical communication system that uses 16 voltage levels to carry multiple bits with one voltage level, where each voltage level is kept at that level for a duration of 2 ms
Describe the operation of the series RC circuit. The discussion must address phase angle relationships of current and voltage. The answer must include the effect of source frequency on the voltage drops across the resistor and the capacitor at ver..
It will have vertical walls and be 15 feet wide. It will be 10 feet deep, have a slope of .0015 feet/foot, and a roughness coefficient of .014. How deep will the water be when 1000 cubic feet/second is flowing through the channel
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