Question

A point charge of -12 μC is located at the origin, which is the center of a thin spherical shell of 10 cm radius. This shell is uniformly charged with 4 μC. What is the electric field at r=5 cm and r=15?

E1 =

V/m,

E2=

V/m.

What is the electric potential at these points?

V1 =

V,

V2=

V.

Answer #1

A point charge of 24 μC is located at the origin, which is the
center of a thin spherical shell of 10 cm radius. This shell is
uniformly charged with 16 μC. What is the electric field at r=5 cm
and r=15?
E1= ______ V/m
E2= ______V/m
What is the electric potential at these points?
V1= ____ V
V2= ____ V

A point charge of -6 μC is located at the origin, which is the
center of a thin spherical shell of 10 cm radius. This shell is
uniformly charged with 17 μC. What is the electric field at r=5 cm
and r=15?
E1=________V/m
E2=________V/m
What is the electric potential at these points?
V1=________V
V2=________V

A point charge of -3.00 μC is located in the center of a
spherical cavity of radius 6.80 cm inside an insulating spherical
charged solid. The charge density in the solid is 7.35 × 10^−4
C/m^3.
Calculate the magnitude of the electric field inside the solid
at a distance of 9.50 cm from the center of the cavity.

A point charge of -3.00 μC is located in the center of a
spherical cavity of radius 6.70 cm inside an insulating spherical
charged solid. The charge density in the solid is 7.35 × 10−4 C/m3.
a) Calculate the magnitude of the electric field inside the solid
at a distance of 9.40 cm from the center of the cavity. b) Find the
direction of this electric field.

A point charge of -3.00 μC is located in the center of a
spherical cavity of radius 6.50 cm inside an insulating spherical
charged solid. The charge density in the solid is 7.35 × 10−4
C/m3.
a) Calculate the magnitude of the electric field inside the
solid at a distance of 9.50 cm from the center of the cavity.
Express your answer with the appropriate units.
b) Find the direction of this electric field.

A point charge of -3.00 μC is located in the center of
a spherical cavity of radius 6.70 cm inside an insulating spherical
charged solid. The charge density in the solid is 7.35 × 10−4
C/m3.
part A
Calculate the magnitude of the electric field inside the solid
at a distance of 9.10 cm from the center of the cavity.
Express your answer with the appropriate units.
part B
Find the direction of this electric field.

Three concentric spherical conductive shells of radii 5 cm, 10
cm, and 15 cm are charged with 2 μC, 4 μC, and -6 μC, respectively.
What is the electric field at r=2.5 cm, r=12 cm, and r=20 cm?
E1= ________________ V/m
E2= ________________ V/m
E3= ________________ V/m
What are the electric potentials at these points?
V1=___________V
V2=___________V
V3=___________V

A solid, nonconducting sphere of radius R = 6.0cm is charged
uniformly with an electrical charge of q = 12µC. it is enclosed by
a thin conducting concentric spherical shell of inner radius R, the
net charge on the shell is zero.
a) find the magnitude of the electrical field
E1 inside the sphere (r < R) at the
distance r1 = 3.0 cm from the center.
b) find the magnitude of the electric field E2
outside the shell at the...

Two point charges -7 μC and -2 μC are located at the origin and
a point (0.18 m, 0) respectively. Find the electric field due to
these charges at a point (0.39 m, 0).
a.) E=______ V/m
b.)What is the electric potential at this point?
V=_____V
c.) Find the force acting on a point charge of 5 μC located at this
point.
F=______N

A solid insulating sphere of radius a = 5 cm is fixed at the
origin of a co-ordinate system as shown. The sphere is uniformly
charged with a charge density ρ = -244 μC/m3. Concentric with the
sphere is an uncharged spherical conducting shell of inner radius b
= 13 cm, and outer radius c = 15 cm.
1)What is Ex(P), the x-component of the electric field at point
P, located a distance d = 32 cm from the origin...

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