____________N/C An uncharged metal slab has square faces with 15 cm sides. It is

Question

____________N/C

An uncharged metal slab has square faces with 15 cm sides. It is placed in an external electric field that is perpendicular to its faces. The total charge induced on one of the faces is 1.7 nC. What is the magnitude of the electric field?

__________________________kN/C

A nonconducting solid sphere of radius 11.4 cm has a uniform volume charge density. The magnitude of

Consider a total charge of q = 3.30 10-9 C spread uniformly over a thin rod of length L = 0.8 m as shown. Point P is a distance H = 0.5 m away from the midpoint of the rod. Find the magnitude of the electric field at point P. ____________N/C An uncharged metal slab has square faces with 15 cm sides. It is placed in an external electric field that is perpendicular to its faces. The total charge induced on one of the faces is 1.7 nC. What is the magnitude of the electric field? __________________________kN/C A nonconducting solid sphere of radius 11.4 cm has a uniform volume charge density. The magnitude of the electric field at 22.8 cm from the sphere's center is 1.70 103 N/C. What is the sphere's volume charge density? Find the magnitude of the electric field at a distance of 5.00 cm from the sphere's

Explanation / Answer

1. E = L/2pi e0 R   = 3.3*10^-9/2*3.14*8.85* 10^-12* 0.5* 0.8

E =148.44 N/C

2.   E= Kq/r^2

E = 9E9 * 1.7nC /0.15^2

E = 0.68 KN/c

3. volume charge density = 0.5 e0E^2   = 0.5 *8.85*10^-12 * 1.7^2 *10^6

u = 1.278*10^-5 C/m^3

E1/E2 = r2^2/r1^2

E2 = 1700 * 0.228*0.228/0.05*0.05

E2 =35.349 *10^ 3 N/C

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