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Two Loads are in parallel with a 2000 Volt sinusoidal source.Load 1 draws 40 Amps at 0.5 lagging power factor. Load 2 draws 15Amps at 0.8 leading power factor. (a) Make a table showing each load and its complex power (b) Find the total complex power in polarform, and the overall power factor (c) Calculate the magnitude of the currentfrom the 2000 Volt source (d) Find the reactive vars needed to changethe overall power factor to 1 (e) With the reactance of part (d)conneceted, find the magnitude of the current supplied by the 2000Volt source.
The energy (power) in Watts in an electrical circuit is described by P = VI, where V is volts and I is current
The stator frequency of an induction machine is 50 Hz and the rotor circuit frequency is 5 Hz. What is the rotating speed in rpm for a 4-pole induction machine
A one-dimensional infinite potential well with a width of 12 Ao contains an electron. (a) Calculate the first two energy levels that the electron may occupy. (b) If an electron drops from the second energy level to the first, what is the wavelengt..
What are the boundary conditions of the normal and tangential components of steady current at the interface of two media with different conductivities
Consider an Internet video conferencing application. Assume that the compressed video streams are packetized, and that a packet is either lost (due to over long delay or mis-delivery or detected bit errors within a packet) or received intact.
when the line was open-circuited, the measurement yielded an input impedance equivalent to a capacitor with capacitance of 40 pF. Find Zo of line, the phase velocity, and the relative permittivity of the insulating material.
if the energy strored in the fully charged battery is used to lift the battery with 100% efficiency, what height is attained. Assume that the acceleration due to gravity is 9.8 m/s^(2) and is constant with height.
Suppose you have an Analog-to-Digital Converter (or ADC) with 12 bits of precision, and the manufacturer claims it has the transfer function x = floor(4096×v/5 ) for input voltage vΣ [0, 4.9999] (where x is the digitized result you get).
The charge entering the positive terminal of an element is q(t) =-30e-4t mC. If the voltage across the element is120e-2t V, determine the energy delivered to the elementin the time interval 0
If in an ideal op amp has no current coming out of the inverting terminal and the non-inverting terminal then shouldn't the current going through the 9k Ω resistor be equal to 1mA and also can't the 15k and 6k ohm resistor be combined in parallel
Rayleigh Scattering. Calculate the % increase is attenuation due to Rayleigh scattering exhibited by light having a free-space wavelength 1535 nm as compared to light having a free space wavelength 1550 nm. Provide your answer in units of [%] and ..
The ATSC broadcast television system used in the US transmits video signals at an average rate of 18.34 Mbps and employs 8-VSB modulation.
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