A long, thin wire carrying uniform line charge density λ1 runs down the center of a long cylindrical tube of radius 15.0 cm carrying charge distributed uniformly over its surface; the charge per unit length of the tube is λ2. The electric field 7.50 cm from the center of the wire has magnitude 1.17 MN/C and points inward. The electric field 23.8 cm from the center of the wire has magnitude 3.68 MN/C and points outward. Find the line charge density λ1 on the wire, and the line charge density λ2 on the tube.

Q: An isolated charged conducting sphere has a radius R = 10.0 cm. At a distance of r = 19.0 cm from…

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Q: 7. A uniformly charged disk like the disk in Fig _dQ X P dEx -X (dr Q 4πεγχ2 radius 2.50cm and…

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Q: In the figure a butterfly net is in a uniform electric field of magnitude E = 5.4 mN/C. The rim, a…

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Q: Two charged concentric spherical shells have radii 7.81 cm and 16.2 cm. The charge on the inner…

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Q: A hollow, conducting sphere with an outer radius of 0.260 m and an inner radius of 0.200 m has a…

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Q: A closed surface with dimensions a = b= 0.208 m and c = 0.3328 m is located as in the figure. The…

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Q: A hollow sphere has a uniform volume charge density of 3.61 nC/m3. The inner radius is a = 11.0 cm…

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Q: A long, straight copper rod has charge per unit length  ? = 0.410 µC/m  and a diameter of 7.20 cm.…

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Q: A cylindrical wire of radius 1.0 cm has charge distributed throughout its volume with a uniform…

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Q: The electric flux through a square- shaped area of side 4 cm near a large charged sheet is found to…

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Q: A solid conducting sphere of radius 2.00 cm has a charge of 8.75 µC. A conducting spherical shell of…

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Q: A total charge of 11.0 μC is uniformly distributed on the surface of a thin spherical shell of…

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Q: A long nonconducting cylinder (radius = 10 cm) has a charge of uniform density (5.0 nC/m3)…

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Q: Charge of uniform volume density ρ = 2.10 µC/m3 fills a nonconducting solid sphere of radius 6.20…

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Q: A square conducting plate 45.0 cm on a side and with no net charge is placed in a region, where…

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Q: A solid conducting sphere of radius 2.00 cm has a charge of 7.50 ?C. A conducting spherical shell of…

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Q: point charge of -3.00 μC is located in the center of a spherical cavity of radius 6.90 cm inside an…

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Q: An unknown charge sits on a conducting solid sphere of radius 14 cm. If the electric field 24 cm…

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Q: Consider a thin, spherical shell of radius 16.0 cm with a total charge of 29.8 µC distributed…

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Q: Two charged concentric spherical shells have radii 11.7 cm and 16.4 cm. The charge on the inner…

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Q: An unknown charge sits on a conducting solid sphere of radius 13 cm. If the electric field 21 cm…

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Q: A large insulating sheet has a surface charge density of σ = 52.1 nC/m² on it. What is the magnitude…

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Q: Find the charge density (in nC/m2) on the surface of the right face of the plate. (b)Find the charge…

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Q: A cylindrical wire of radius 1.0 cm has charge distributed throughout its volume with a uniform…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.