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What is the significance of radiation resistance? If the resistance of an antenna can be neglected, what must be the characteristic impedance of the transmission line feeding the antenna so that the antenna radiates maximum power?
A single phase transformer has the following rating: 120 kVA, 2000 V/100 V, 60 Hz with 1000 primary turns. Determine (A) the maximum flux. (B) given a maximum flux density of 0.25 T, the cross-sectional area of the core.
A car battery has an open-circuitterminal voltage of 12.6 volts. The voltage drops to 10.8 volts when the battery supplies 240 amps to thecar's starter motor. What is the Thevenin equivalent for this battery
A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source with a phase voltage of 120Vrms. The load draws a total of 10kW at a power factor of 0.9.
stochastic message signal, m(t), is transmitted down a (noiseless) cable channel by PCM, using an 8-bit code. If the ambient signal is equally likely to lie anywhere between its two extremes, (+/- mp), calculate the ration of the mean squared sign..
An infinitly long line charge (ρl = 2lπ nC/m)lies along the z-axis. An infinite area sheet charge(ρs= 3 nC/m2 lies in the x-z planeat y = 10m. Find a point on the y-axis where the electric field intensity is zero.
An AC model of a cascode common-source amplifier is shown below. M1 and M2 are biased in saturation mode. The parasitic capacitors in the transistors are included. Determine the poles in frequency response at node A, X, and Y respectively.
How do you calculate the input resistance and output resistance with out feedback. And why are the resistances of the beta network part of the calculation for the input resistance with out feedback
Your will simulate 10lottery drawings. Store those data to a 3 10 array. The rowsindicate the three balls in a lottery drawing. The columns indicatethe 10 times drawings.
A typical commercial FM broadcast signal starts out at an effective power level around 100 KW (+80 dBm). How much of that FM signal power finds its way into the clock radio on your nightstand, or the radio in your car's dash
A jet engine is modeled as a serial combination of a compressor, an adiabatic constant pressure combustor, and a turbine. Air (considered to have a variable specific heat) is compressed through a compression pressure ratio of 8.25:1
Require a 10-page research paper on Wireless Power Transmission. Must be in APA format with references to quality sources. The paper must explore the following topic and sub-headings
A six-pulse diode rectifier fed from a 460-v ac line charges a 480-v battery pack. Is the charging current continuous or discontinuous? sketch the output voltage and current waveforms.
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