MATH 246 Midterm: Exam 3 No Solutions Spring 1989
14 Mar 2019
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Q4) describe conceptually what taking the divergence of a vector field yields. Q7) describe conceptually the boundary conditions for metal-dielectric interfaces. Four charges of charge are positioned in the x-y plane on the corners of a square with side length : (5 points) a fifth charge ( ) is positioned at along the z-axis. Consider a length of a cylindrical capacitor formed by coaxial conductors. Same as problem 2: consider a length of a cylindrical capacitor formed by coaxial conductors. Assuming that the current distribution in each conductor is uniform, find the following. A balanced coaxial cable contains three coaxial conductors of negligible resistance. Assume a solid inner conductor of radius , an intermediate conductor of inner radius and outer radius. , and an outer conductor of inner radius and outer radius . The intermediate conductor carries a total current in the direction and is at a potential .
