Question

in infinite conducting cylinder has a radius of 12.0 cm. If the
magnitude of the electric field 16.0 cm from the axis of the
cylinder is 55 N/C, what is the charge density distributed over the
surface of the cylinder (in nC/m^{2})

Answer #1

A
conducting sphere with a radius of R = 9.3 mm has a uniform and
constant surface charge density of teta= 10 nC / m2. What will be
the magnitude of the electric field produced by that sphere at a
distance from the center of the sphere der = 23.5 cm?

A) A very long hollow cylinder has a 15 cm radius and has
positive charge spread evenly over its surface, amounting to a
linear charge density of 7 nC/m. Apply Gauss's Law to determine the
electric field at r =20 cm away from the center, in units
of N/C. As usual, do not include the unit in your answer.
B) A very long hollow cylinder has a 15 cm radius and has
positive charge spread evenly over its surface, amounting...

Charge is distributed uniformly throughout the volume of an
infinitely long cylinder of radius R = 12 cm. The volume charge
density ρ is 3.6 nC/m3. Find the magnitude of the electric field E
(a) inside the cylinder, a distance r = 6.6 cm from the cylinder
axis, and (b) outside the cylinder, a distance r = 24 cm from the
cylinder axis.

An infinitely long solid insulating cylinder of radius a = 2 cm
is positioned with its symmetry axis along the z-axis as shown. The
cylinder is uniformly charged with a charge density ρ = 27
μC/m3. Concentric with the cylinder is a cylindrical
conducting shell of inner radius b = 14.8 cm, and outer radius c =
17.8 cm. The conducting shell has a linear charge density λ =
-0.37μC/m.
1)
What is Ey(R), the y-component of the electric field...

A -8.0 nC point charge and a +16.0 nC point charge are 12.0 cm
apart on the x-axis.
A) What is the magnitude of the electric field at the point on
the x-axis, between the charges, where the electric potential is
zero?

Three parallel sheets of charge, large enough to be treated as
infinite sheets, are perpendicular to the x-axis. Sheet A has
surface charge density σA = +8.00 nC/m2. Sheet B is 4.00 cm to the
right of sheet A and has surface charge density σBσB = -4.00 nC/m2
Sheet C is 4.00 cm to the right of sheet B, so is 8.00 cm to the
right of sheet A, and has surface charge density σC = +6.00
nC/m2
What are...

Question 1 The electric field 10.0 cm from the surface of a
copper ball of radius 5.0 cm is directed toward the ball’s center
and has magnitude 400 N/C. How much charge is on the surface of the
ball?
A. Impossible to determine
B. None of the above
C. 0.1 nC
D. 0.4 nC

A nonconducting solid sphere of radius 9.10 cm has a uniform
volume charge density. The magnitude of the electric field at 18.2
cm from the sphere's center is 1.77 103
N/C.
(a) What is the sphere's volume charge density?
µC/m3
(b) Find the magnitude of the electric field at a distance of 5.00
cm from the sphere's center.

A uniformly charged non-conducting sphere of radius 12 cm
is
centered at x=0. The sphere is uniformly charged with a charge
density of ρ=+15
μC/m3.
Find the work done by an external force when a point charge of
+20 nC
that is brought from infinity on the x-axis at a distance of 1 cm
outside the
surface of the sphere.
Given the point charge held at its final position, what is the
net electric field
at x=5 cm on the...

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...

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