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If two conducting shells are concentric and of opposite charge, can someone tell me the electric field and electric potential in the regions: within the smaller shell, between the shells, and outside the big shell in terms of radius and charge. (The inner shell has a charge of lower magnitude)

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3.15P) Calculate the electric potential of charged concentric conducting spherical shells of radius a, b, c everywhere. Charge of spherical shells are Q1, Q2 and Q3. Write the boundary conditons for electric field displacement field and electric potential.

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a) A conducting spherical shell has inner radius A and outer radius B. It is concentric with another conducting spherical shell of inner radius C and outer radius D. The inner shell has charge +Q and the outer shell has charge -2Q. b) Sketch the electric field lines. C D Find the electric field at i) r < A ii) A < r < B iii) B < r < C

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Question-- A thin spherical shell with radius R1= 4 cm is concentric with a larger thin spherical shell with radius R2= 8 cm. Both shellls are made of insulating material. Smaller shell q1= 6 nC; Larger shell q2= -9 nC (uniform distribution.) Take electric potential to be zero at r = infinity. Nov 10, 2009 · (a) Express the magnitude of the electric field at the center of the hole: E = Espherical + E hole Apply Gauss’s law to a spherical gaussian surface just outside the given sphere: Espherical 4πr 2 = Solve for E spherical to obtain: Espherical = shell The electric field due to the small hole (small enough so that we can treat it as a plane ...

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For a spherical charge the gaussian surface is another sphere. I have drawn in the electric field lines. If the sphere has a charge of Q and the gaussian surface is a distance R from the center of the sphere: For a spherical charge the electric field is given by Coulomb’s Law.