Question

A hollow, conducting sphere with an outer radius of 0.260 m and an inner radius of 0.200 m has a uniform surface charge density of +6.47 × 10−6 C/m2. A charge of -0.400 μC is now introduced into the cavity inside the sphere.

a)What is the new charge density on the outside of the sphere?

b)Calculate the strength of the electric field just outside the sphere

c)What is the electric flux through a spherical surface just inside the inner surface of the sphere?

Answer #1

A hollow, conducting sphere with an outer radius of 0.260 m and
an inner radius of 0.200 m has a uniform surface charge density of
+6.37 × 10−6 C/m2. A charge of -0.700 μC is now introduced into the
cavity inside the sphere. a) What is the new charge density on the
outside of the sphere? b) Calculate the strength of the electric
field just outside the sphere. c) What is the electric flux through
a spherical surface just inside...

A hollow, conducting sphere with an outer radius of 0.260 mm and
an inner radius of 0.200 mm has a uniform surface charge density of
+6.57 ×× 10−6−6 C/m2C/m2. A charge of -0.700 μCμC is now introduced
into the cavity inside the sphere.
What is the new charge density on the outside of the sphere?
Calculate the strength of the electric field just outside the
sphere.
What is the electric flux through a spherical surface just
inside the inner surface...

A hollow, conducting sphere with
an outer radius of 0.260m and an inner radius of 0.207m has a
uniform surface charge density of +6.79

A hollow metal sphere has 5cm and 10cm inner and outer radii,
respectively. The surface charge density on the inside surface is
?150nC/m2 . The surface charge density on the exterior surface is
+150nC/m2 .
What is the strength of the electric field at point 12 cm from
the center?

A conducting spherical shell of inner radius and outer radius
has a charge Q on it. The flux through a concentric spherical
surface of radius is . An additional charge, also Q, is then added
to the sphere. What is the change in flux through a concentric
spherical surface of radius when the additional charge is placed on
the conducting shell?

Consider an insulating sphere of radius 5 cm surrounded by a
conducting sphere of inner radius 22 cm and outer radius 25 cm.
Furthermore, suppose that the electric field at a point 13 cm from
the center is measured to be 1540 N/C radially inward while the
electric field at a point 44 cm from the center is 90 N/C radially
outward.
1. Find the charge on the insulating sphere. Answer in units of
C.
2.Find the net charge on...

A neutral hollow spherical conducting shell of inner radius 1.00
cm and outer radius 3.00 cm has a +2.00-µC point charge placed at
its center. Find the surface charge density how does the magnitude
of the charge and radius relate? How does a -2.00µC get involved in
this problem?

A charge is spread out uniformly over a small non-conducting
sphere. The small sphere shares a center with a larger spherical
shell with an inner radius of 6 ?? and an outer radius of 12 ??. a)
Using Gauss’ Law, what is the magnitude of the charge on the
nonconducting sphere if the field from the sphere is measured to be
8200 ?/? when 0.5 ?? from the center? b) What is the surface charge
density on the inside of...

Suppose a conducting sphere, radius r2, has a spherical cavity
of radius r1 centered at the sphere's center. At the center of the
sphere is a point charge -4Q. Assuming the conducting sphere has a
net charge +Q determine the electric field,magnitude and direction,
in the following situations:
a) From r = 0 to r = r1.
b) From r = r1 to r = r2.
c) Outside of r = r2
d) find the surface charge density (charge per...

A solid conducting sphere 60 mm
in radius carries a charge of 5.3nC . A thick conducting spherical
shell of inner radius 100 mm and outer radius 120 mm carries a
charge of -4.0 nC and is concentric with the sphere.
A. Calculate the surface
charge density on the surface of the solid sphere.
B.Calculate the surface charge density on the inner surface of
the thick shell.
C.Calculate the surface charge density on the outer surface of
the thick shell.

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