Unformatted text preview: perfect dielectric for which ε r = 8. (a) Find C. (b) A portion of the dielectric is now removed so that ε r = 1.0, 0 < φ < π /2, and ε r = 8, π /2 < φ < 2 π . Again, find C. 3) (a) Find the electric field ( E ) on the z-axis for z = h > 0 ? (b) Find the electric field ( E ) on the z-axis for z = -k where k<d? (c) Find the electric field ( E ) on the z-axis for z = -k where k>d? 4) Find the capacitance of an isolated conducting sphere of radius b that is uniformly coated with a dielectric layer of thickness d. The dielectric constant is given by ε ....
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- Spring '09
- Permittivity, Dielectric, ENGR IV