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1. State the relationship between polarization current density and electric field intensity. How is it taken into account in Maxwell's equations?
2. What is the revised definition of D?
3. State the relationship between D and E in a dielectric material. How does it simplify the solution of field problems involving dielectrics?
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 semiconductor company has the following costs associated with Product X: - Fixed cost of $1B ($1,000,000,000) - Die cost of $6 at a die yield of 50% - Testing and packaging cost of $3 per die - A final test yield of 90% with a product volume of 500..
Design a device that creates a voltage that is a damped oscillation with a frequency of 5 radians per second and a time constant of 3 seconds. In particular, explain how initial conditions are to be handled.
Design a discrete transistor feedback voltage amplifier to provide a voltage gain of 50. - Verify the design with a computer simulation. Determine Rif and Rof.
A three-phase 60-Hz two-pole induction motor runs at a no-load speed of 3580 r/min and a full-load speed of 3440 r/min. Calculate the slip and the electrical frequency of the rotor at no-load and full-load conditions. What is the speed regulation ..
An example of a semigroup algorithm is finding the minimum. Develop a parallel algorithm for an n-dimensional hypercube that would determine the minimum data among all processors. Demonstrate your algorithm using a 3 dimensional hypercube
A spherical cavity of radius α is made within a uniformly charged sphere of radius b, the center of the cavity being at a distance c from the center of the sphere. Find the electric field associated with this charge distribution for all points of ..
At a particular temperature, the fraction of ionized atoms in a piece of silicon is IM". If the material is doped to a level of I in 10" with acceptor atoms, what is the net concentration of holes and electrons in the resulting material?
A newly planted tree is supported against the wind by a rope tied to a stake in the ground. The force of the wind, though distributed over the tree, is equivalent to a single force F. Find the tension in the rope
Consider clear sky conditions for which the direct radiation is incident at ? = 30°, with a total flux (based on an area that is normal to the rays) of q''dir = 1000 W/m2, and the total intensity of the diffuse radiation is 1 dif = 70 W/m2 · sr. W..
a) If the internal resistance of a voltmeter is 100x bigger than the output impedance of a circuit, what is the loading error b) If the internal resistance of an ammeter is 10x smaller than the output impedance of a circuit
A bombing target is in the center of a circle with a radius of 1 mile. A bomb falls at a randomly selected point inside that circle. If the bomb destroys everything within mile of its landing point, what is the probability that it destroys the tar..
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