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Question 3 10.0 points possible (ungraded, results hidden) Marks distribution : 3+2+3+2 Use the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m² /C². Vacuum permitivity, co = 8.854 × 10–12 F/m. Magnetic Permeability of vacuum, Ho = 12.566370614356 × 10-7 H /m. Charge of one electron, e = -1.60217662 × 10–19 C. Mass of one electron, me = 9.10938356 × 10 31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, uC means micro coulomb . A solid spherical conductor, with a spherical cavity at the center, carries some charge q = 67 µC. And inside the cavity we put some charge q' = 16 µC. The radii are r = 9 cm and r2 = 17 cm Mark distribution: 3+2+3+2 a) What is the surface charge density of the solid conductor? charge density of the outer surface Give your answer up to at least three significance digits. C/m2 charge density of the inner surface Give your answer up to at least three significance digits. C/m?

Question 3 10.0 points possible (ungraded, results hidden) Marks distribution : 3+2+3+2 Use the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m² /C². Vacuum permitivity, co = 8.854 × 10–12 F/m. Magnetic Permeability of vacuum, Ho = 12.566370614356 × 10-7 H /m. Charge of one electron, e = -1.60217662 × 10–19 C. Mass of one electron, me = 9.10938356 × 10 31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, uC means micro coulomb . A solid spherical conductor, with a spherical cavity at the center, carries some charge q = 67 µC. And inside the cavity we put some charge q' = 16 µC. The radii are r = 9 cm and r2 = 17 cm Mark distribution: 3+2+3+2 a) What is the surface charge density of the solid conductor? charge density of the outer surface Give your answer up to at least three significance digits. C/m2 charge density of the inner surface Give your answer up to at least three significance digits. C/m?

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Question 3 10.0 points possible (ungraded, results hidden) Marks distribution : 3+2+3+2 Use the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m² /C². Vacuum permitivity, co = 8.854 × 10–12 F/m. Magnetic Permeability of vacuum, Ho = 12.566370614356 × 10–7 H /m. Charge of one electron, e = -1.60217662 x 10-19 C. Mass of one electron, me = 9.10938356 × 10 31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, µC means micro coulomb. 14 A solid spherical conductor, with a spherical cavity at the center, carries some charge q = 67 µC. And inside the cavity we put some charge q' = 16 µC. The radii are r = 9 cm and r2 = 17 cm Mark distribution: 3+2+3+2 a) What is the surface charge density of the solid conductor? charge density of the outer surface Give your answer up to at least three significance digits. C/m2 charge density of the inner surface Give your answer up to at least three significance digits. C/m2 ra lof
Transcribed Image Text:Question 3 10.0 points possible (ungraded, results hidden) Marks distribution : 3+2+3+2 Use the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m² /C². Vacuum permitivity, co = 8.854 × 10–12 F/m. Magnetic Permeability of vacuum, Ho = 12.566370614356 × 10–7 H /m. Charge of one electron, e = -1.60217662 x 10-19 C. Mass of one electron, me = 9.10938356 × 10 31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, µC means micro coulomb. 14 A solid spherical conductor, with a spherical cavity at the center, carries some charge q = 67 µC. And inside the cavity we put some charge q' = 16 µC. The radii are r = 9 cm and r2 = 17 cm Mark distribution: 3+2+3+2 a) What is the surface charge density of the solid conductor? charge density of the outer surface Give your answer up to at least three significance digits. C/m2 charge density of the inner surface Give your answer up to at least three significance digits. C/m2 ra lof
b) Now we take another uncharged spherical shell and enclose the first spherical shell and enclose the first sphere(Fig-2). The innerand outer radii are 23 cm and r, = 27 cm Ta Calculate the inner surface charge density of the new spherical shell. charge density of the new spherical shell Give your answer up to at least three significance digits. C/m? c) Calculate the magnitude of electric field at point r,, = 20 cm and r, = 30 cm. Find the electric field at both of the points. magnitude of E-field at rp, Give your answer up to at least three significance digits. N/C magnitude of E-field at rp, Give your answer up to at least three significance digits. N/C d) Draw the electric field as a function of distance from the central axis of the spheres. Submit You have used 0 of 20 attempts Save
Transcribed Image Text:b) Now we take another uncharged spherical shell and enclose the first spherical shell and enclose the first sphere(Fig-2). The innerand outer radii are 23 cm and r, = 27 cm Ta Calculate the inner surface charge density of the new spherical shell. charge density of the new spherical shell Give your answer up to at least three significance digits. C/m? c) Calculate the magnitude of electric field at point r,, = 20 cm and r, = 30 cm. Find the electric field at both of the points. magnitude of E-field at rp, Give your answer up to at least three significance digits. N/C magnitude of E-field at rp, Give your answer up to at least three significance digits. N/C d) Draw the electric field as a function of distance from the central axis of the spheres. Submit You have used 0 of 20 attempts Save
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