Question

A spherically symmetric charge distribution produces the electric field E⃗ =(150/r)r^N/C, where r is in m.

What is the electric field strength at r = 11.0 cm?

What is the electric flux through a 17.0-cm-diameter spherical surface that is concentric with the charge distribution?

How much charge is inside this 17.0-cm-diameter spherical surface?

Answer #1

An expression for the electric field that was produced by a
spherically symmetric distribution is
4.04×103r2 [^(r)] N/C.
A 37.0 cm diameter spherical surface shares its center with the
spherical electric field. What is the flux through this spherical
surface?
What is the charge inside the spherical surface?

A charge distribution that is spherically symmetric but not
uniform radially produces an electric field of magnitude E = 5r4,
directed radially outward from the center of the sphere. Here r is
the radial distance from that center.
What is the volume charge density ρ of the charge distribution
at a distance of r = 2m?
Express your answer in units of nano coulombs/m3 i.e. 10-9
C/m3
Specify your answer up to two decimal places

A charged particle causes an electric flux of -996 N-m2/C to
pass through a spherical Gaussian surface of 9.50 cm radius
centered on the charge. (a) If the radius of the Gaussian surface
were doubled, how much flux would pass through the surface? (b)
What is the charge of the particle?

A) A 1 nano Coulomb spherical charge has a radius of 10
centimeters. The charge is uniformly distributed throughout the
volume of the sphere.
Find the electric flux through a spherical gaussian surface
centered on the charge with a radius of 1 meter. Answer in units of
(N*m^2)/C.
B) Same as part A, but let the Gaussian surface be a 1 meter
cube centered on the charge.
C) What is the strength of the E field on the surface of...

The dome of a Van de Graaff generator receives a charge of 9.2 ✕
10−4 C. Find the strength of the electric field in the
following situations. (Hint: Review properties of
conductors in electrostatic equilibrium. Also, use the points on
the surface are outside a spherically symmetric charge
distribution; the total charge may be considered to be located at
the center of the sphere.)
(a) inside the dome
N/C
(b) at the surface of the dome, assuming it has a...

A non-linear spherical charge distribution carries a density =
ar^2 in the region r<a. If a concentric metal shell with radii b
and c surrounds the inner charge, calculate the electric field in
the four regions starting with region 1, inside the radius a and
ending with region 4, outside the concentric spheres.

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...

(8c23p69) A thin, metallic, spherical shell of radius a = 7.0 cm
has a charge qa = 5.00×10-6 C. Concentric with it is another thin,
metallic, spherical shell of radius b = 18.90 cm and charge qb =
5.00×10-6 C.
Find the electric field at radial points r where r = 0.0 cm.
Find the electric field at radial points r where r = 13.0
cm.
Find the electric field at radial points r where r = 28.4
cm.
Discuss...

1. A charge of + 5000 nC is placed in a uniform electric field
of 5500 N/C. The field was created by a capacitor. What is the
force exerted on the charge?
2. A parallel-plate capacitor is formed from two 20 cm x 20 cm
electrodes. The electric field strength inside the capacitor is
N/C. What is the charge on the positive electrode in Coulombs?

An unknown positive charge produces an electric field with a
magnitude of 0.005 N/C. If the unknown charge is made negative, how
does the electric field change?
An negative test charge is placed next to each charge. What will
happen to the test charge in each case. Why?

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