A point charge q 4 uC is at the center of a sphere of radius 0.7 m. 1 Find the s

Question

A point charge q 4 uC is at the center of a sphere of radius 0.7 m. 1 Find the surface area of the sphere. m2Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question 2) Find the magnitude of the electric field at points on the surface of the sphere. N/C Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question 3) What is the flux of the electric field due to the point charge through the surface of the sphere? N m2/c Sub /C Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question 4) Would your answer to part 3 change if the point charge were moved so that it was inside the sphere but not at its center? not enough information to decide N-mic Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question 5) What is the net flux through a cube of side 2 m that encloses the sphere? /C Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question

Explanation / Answer

A)

Surface area, A = 4 pi x r^2

A = 4 pi x 0.7^2 = 6.16 m^3

B)

E = q/ 4 pi r^2 eo

E = (4 x 10^-6)(9 x 10^9)/ 0.7^2 = 73469.39 N/C

C)

Flux, phi = q/ eo = (4 x 10^-6)/(8.85 x 10^-12) = 4.52 x 10^5 Nm^2/C

D)

No

E)

Flux, phi = 4.52 x 10^5 Nm^2/C

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