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A coil of wire having negligible resistance and an inductance of 0.248 henry is connected to a 117-volt 50-cycle source. Calculate (a) the inductive reactance, (b) the current, (c) the maximum power delivered to the inductor or returned to the source, (d) the average power. Write the equations for (e) the current and (f) the power.
An early code used in radio transmission involved using codewords that consist of binary bits and contain the same number of 1s. Thus, the 2-out-of-5 code only transmits blocks of 5 bits in which 2 bits are 1 and the others 0.
The above transformer is to be connected as an auto transformer to supply a load at 120 V from 210 V source. What kVA load can be supplied without exceeding the current rating of the windings
a. Let x[n] and y[n] be periodic signals with fundamental periods N1 and N2, respectively. Under what conditions is the sum x[n] + y[n] periodic If it is periodic, what is the fundamental period of this signal
If a power supply has a no-load voltage output of 100V and a 96V output under full load, what is the percentage regulation of the supply?
The department of energy projects that between the years 1995 and 2010, the united states will need to build new power plants to generate an additional 150,000MW of electricity to meet the increasing demand for electric power.
An AC voltage of 240 volts with frequency of 60 Hz is applied to 0.5-H inductor. Assuming that the inductor was pure of ideal (no resistance; inductive reactance only), how much current would flow through it
Given the following IIR system with zero initial conditions: y[n]=0.2 x[n]- 0.5y[n-1] -0.06y[n-2] a)find the first five samples of the impulse response b) find the first five step response
When the piston is at its bottom dead center, the gas is initially at 10 psig, 65°F, and 10.5 in 3 . After compression and when the piston is at top dead center, the gas is 180°F and occupies 1.5 in 3 . What would be the new pressure of the gas in..
Prepare a report on the controls and displays of the oscilloscope and function generator. hen practiced taking measurements with the oscilloscope and properly stating the known boundaries.
The junction capacitance of a silicon pn junction is 1.83 pF at T = 300 K when the anode and cathode are held at the same voltage. The concentration of donor atoms in the n-region of the junction is 1016 cm ^-3
Identify one emerging technology, and evaluate its future prospects by identifying the cultural and social factors that may prevent or promote its successful application. Use concrete details to support your answer.
Alfredo deDarke sleeps with a 7.5-Watt night light bulb on. He turns it on before getting in bed and turns it off 8 hours later. a. Determine the amount of energy used during one evening in units of kiloWatt*hours.
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