An aluminum spherical ball of radius 4 cm is charged with 5 ??
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Step 1: At r = 3 cm, the electric field inside the aluminum shell is 0 N/C because there is no charge enclosed within the shell at that distance. Show more…
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A spherical, non-conducting shell of inner radius r1 = 10 cm and outer radius r2 = 15 cm carries a total charge Q = 15 ÎĽC distributed uniformly throughout its volume. What is the electric field at a distance r = 12 cm from the center of the shell? A. 2.87 x 10^3 N/C B. 5.75 x 10^3 N/C C. 0 D. 5.75 x 10^6 N/C E. 2.87 x 10^6 N/C
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A long copper cylindrical shell of inner radius $2 \mathrm{cm}$ and outer radius $3 \mathrm{cm}$ surrounds concentrically a charged long aluminum rod of radius $1 \mathrm{cm}$ with a charge density of $4 \mathrm{pC} / \mathrm{m}$. All charges on the aluminum rod reside at its surface. The inner surface of the copper shell has exactly opposite charge to that of the aluminum rod while the outer surface of the copper shell has the same charge as the aluminum rod. Find the magnitude and direction of the electric field at points that are at the following distances from the center of the aluminum rod: (a) $0.5 \mathrm{cm},$ (b) $1.5 \mathrm{cm}$ (c) $2.5 \mathrm{cm},$ (d) $3.5 \mathrm{cm},$ and $(\mathrm{e}) 7 \mathrm{cm}$.
A solid insulating sphere of radius 5.00 $\mathrm{cm}$ carries a net positive charge of 3.00$\mu \mathrm{C}$ , uniformly distributed through-out its volume. Concentric with this sphere is a conducting spherical shell with inner radius 10.0 $\mathrm{cm}$ and outer radius $15.0 \mathrm{cm},$ having net charge $-1.00 \mu \mathrm{C}$ , as shown in Figure $\mathrm{Q} 24.11 .$ (a) Consider a spherical gaussian surface of radius 16.0 $\mathrm{cm}$ and find the net charge enclosed by this surface. (b) What is the direction of the electric field at point $D,$ to the right of the shell and at radius 16 $\mathrm{cm}$ ? (c) Find the magnitude of the electric field at point $D .$ (d) Find the vector electric field at point $C,$ at radius $12.0 \mathrm{cm} .$ (e) Consider a spherical gaussian surface through point $C$ and find the net charge enclosed by this surface. (f) Consider a spherical gaussian surface of radius 8.00 $\mathrm{cm}$ and find the net charge enclosed by this surface,
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