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The loading of an industrial facility on a 240 V, 60 Hz system includes:20 kW resistive load50 kW induction motors operating at 0.7 power factor lagging10 kVA capacitive load at 0.7 power factor leading(a) Find the total real power drawn from the source by the combined loads.(b) Find the total reactive power. Does the combined load absorb reactive power or Deliver reactive power?(c) Find the total apparent power of the combined loads.(d) Find the power factor of the combined load and specify whether it is leading or Lagging.(e) Determine the KVA rating of the capacitor that must be placed in parallel with the Loads to raise the combined power factor to 0.95
(a) What is the acceleration of an electron in a uniform electric field of 1.0x106 N/C (b) How long would it take for the electron, starting from rest, to attain one-tenth the speed of light. Assume that Newtonian mechanics holds.
Write a c program that reads in ten integers from the user on a single line, and determines and prints the largest and the smallest integers in the group. If either the largest or smallest integer is a prime number, have your program indicate this..
Gold cost about $100 an ounce in 1971. In 2007, the cost of an ounce of gold is hovering around $800. compute the average price increase for gold.
1. Point charges Q1 and Q2 are respectively, located at(4,0,-3) AND (2,0,1). If Q2=4nC, find Q1 such that a. E at (5,0,6) has no no z component b. The force on a test charge at (5,0,6) has no x component
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.
What, exactly, is necessary to establish electrical continuity between two wires. If want to have an electric current flow out of one wire and into another, what must be done with those two wires to make that flow path complete.
1. Determine Laplace transform of (2-2e^-4t)u(t) 2. Determine if x(t) = 9cos(2t)+4sin(pi t) is periodic; if periodic, calculate the period. 3. Compute the inverse Laplace transform of X(s)= (s+2)/(s^2+ 7s + 12).
Convert the first-order Butterworth low-pass prototype, H(z) = 1 / s+1 to a digital IIR filter using impulse invariant method when sampling frequency is 1 Hz.
In a particular technology, a small BJT operating at vBE = 28VT conducts a collector current of 100µA. What is the corresponding saturation current. For a transistor in the same technology but with an emitter junction that is 32 times larger
Assume that the radius of the sun is 6.955x10^8 m and that the mean distance of the sun from the earth is 149.6x10^9m A.what is the diameter of the solar disk on the SAM projection screen
Two full charged 8A-Hr batteries are connected in parallel and supply power to a resistive load of 2.4 ohms. The open-circuit voltage of both batteries is 6.4VDC and the internal(Thevenin) resistances are 0.24 ohms and 0.28ohms.
Write a C-program to generate K-map row and column headings for an arbitrary number of row or column input variables, i.e. 4x4 k-map for 2 row and 2 column variables, 16x16 k-map for 4 row and 4 column variables, etc.
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