Loose Leaf For Engineering Electromagnetics
Loose Leaf For Engineering Electromagnetics
9th Edition
ISBN: 9781260472370
Author: John A. Buck, William H. Hayt
Publisher: McGraw-Hill Education
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Chapter 6, Problem 6.6P

A parallel-plane capacitor is made using two circular plates of radius a, with the bottom plate on the xy plane, centered at the origin. The top plate is located at z = d, with its center on the 2 axis. Charge Q is on the top plate; -Q is on the bottom plate. Dielectric having z-dependent permittivity fills the region between plates. The permittivity is given by (z) = đ�œ–0(l + z2/d2 ). Find (a) D; (b) E; (c) V0 : (d) C.

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1. а. Obtain the absolute potential at point A (2, 2, 3) m due to a point charge Q=0.4nC is located at the origin. If the same point charge is relocated to B (2, 3, 3) m, calculate the absolute potential at new position due to charge Q.  b. A coaxial cable has inner radius of 1.2cm and outer radius of 1.8cm and has a length of 35m with an insulating material with relative permittivity 4.5. Calculate: i. Capacitance per meter. ii. Total Energy stored in the cable if a potential of 400v is applied across the cable.
A ring and a disk both are centered at (7, 6, 5) and are both lying on the plane y = 6. The ring has a radius of 7 m, while the disk has a radius of 9 m, so that the ring is around the disk. Determine the magnitude of the electric field in kV/m at point (7, -7, 5) if the ring has a total charge of -5 mC and the disk has a total charge of 7 mC. All coordinates are measured in meters.
A wedge-shaped surface has its corners located at (0, 0, 0), (2, 0, 4), and (2, 3, 4). If thesurface has charge distribution with ρs = 10x2yz mC/m2, find the total charge on thesurface.

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Loose Leaf For Engineering Electromagnetics

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