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A capacitance of 2.0 μF with an initial charge isswitched into a series circuit consisting of a 10.0 Ωresistance. Find the initial charge on the capacitor Q0 if the energy dissipated in the resistor is 3.6mJ.
The DC resistance of the primary windings of a certain transformer is found to be 22ohm while the resistance of the secondary windings is 0.8ohm. When a 60 Hz sinusoidal source is connected to the primary "with the secondary open circuited"
A 40 Ω Resistor, a 5mH inductor, and a 1.25μF capacitor are connected in series. The series-connected elements are energized by a sinusoidal voltage source whose voltage is 600 cos(8000t + 20°) V.
A 1.2 MW wind turbine has a rotor diameter of 64 m. the turbine operates in an area with an average wind velocity of 7.5 m/s and the air density of 1.18 kg/m^3. the turbine power coefficient including the unit efficiency is 42.8 percent.
a) What is the total resistance corresponding to 1k-ohm, 4k-ohm , 10k-ohm , 4.7k-ohm resistors connected in series b) What is the total resistance corresponding to 10-ohm , 100-ohm , 1k-ohm , 10k-ohm resistors connected in parallel
A "Mealy" synchronous sequential circuit has one input X and one output Z. An output Z = 1 occurs every time the total number of 1's received is "divisible by 3" AND the total number of 0's received is an even number greater than zero.
Determine which of these properties hold and which do not hold for each of the following continuous-time systems.Justify your answer. In each example,y(t) denotes the system output and x(t) is the system input. (a) y(t)= x(t-2)+x(2-t) (b) y(t)= (c..
A modulating signal is amplified by a 80% efficiency amplifier before being combined with a 20 kW carrier to generate an AM signal. what would be The required DC input power to the amplifier, for the system to operate at 100% modulation.
A PN junction has a doping concentration of 10^15, 10^16, or 10^17 cm-3 on the lightly doped n-side and of 10^19 cm-3 on the heavily doped p-side. Obtain series of curves of 1/(C^2) vs. V, where V rages from -4V to 0V in steps of 0.5 V.
Loop antennas are very common and are often used by amateur radio sites. In fact, the figure on the right is provided as an example what one may find when searching for loop antennas on the web.
Discuss how the ethical problem solving techniques presented in this course could be applied to bribery and the acceptance of gifts. This discussion should be two paragraphs in length.
The number of turns in the primary and secondary windings of a transformer are 80 and 20 respectively. The reluctance of the core is 64x10^3 A/Wb . The primary is connected to a voltage source, Vpri(t) = 170 sin (377t) V
three balanced Y-connected loads are installed on a balance three phase four-wire system load 1 draws a total power of 6kw at unity P.F load 2 requires 10 KVA at P.F=0.96 lagging load 3 needs 8kw at 0.85 lagging if the phase voltage is 135V
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