Question

The surface of a circular disk is charged uniformly. The magnitude of the electric field produced by the disk on the surface is measured 3.00×105 N/C at its center.

a.) Find the surface charge density of the disk.

b.) At the point on the central axis perpendicular to the disk, 10.0 cm away from the center of the disk, the magnitude of the electric field is measured 1.00×105 N/C. Estimate the total charge of the disk.

c.) Find the magnitude of the electric field due to this disk at the point on the central axis, 1.00 cm away from the center.

d.) Find the magnitude of the electric field due to this disk at the point on the central axis, 2.00 cm away from the center.

e.) Find the magnitude of the electric field due to this disk at the point on the central axis, 5.00 cm away from the center.

f.) Find the magnitude of the electric field due to this disk at the point on the central axis, 8.00 cm away from the center.

g.) Find the magnitude of the electric field due to this disk at the point on the central axis, 15.0 cm away from the center.

h.) Make the graph of the magnitude of the electric field due to this charged disk on the central axis for the distance from 0 to 20 cm. Add marks for the electric field calculated in c), d), e), f) and g).

Answer #1

The electric field on the axis of a uniformly charged ring has
magnitude 360 kN/C at a point 6.6 cm from the ring center. The
magnitude 16 cm from the center is 150 kN/C ; in both cases the
field points away from the ring.
A) What is the Radius of the ring?
B) What is the charge of the ring?
Please show your work

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Calculate the electric field on the axis of the disk at 50.0 cm
from the center of the disk. c) Calculate the electric field on the
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The electric field in a point on the central axis of a uniformly
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E = (k*lambda*2pi*R)/((x^2 +R^2)^(3/2)) i cap
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A total charge Q is uniformly distributed, with surface charge
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(a) 5.00 cm
(b) 10.0 cm
(c) 50.0 cm
(d) 200 cm

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magnitude
N/C

Electric Field of a Charged Sphere with a small hole on the
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Consider a spherical shell of radius R centered on the origin of
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magnitude
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(a) Find the electric field 10.0 cm from the filament, where
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(Take radially inward toward the filament...

A uniformly charged disk of radius 35.0 cm carries a charge
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Calculate the electric field on the axis of the disk at the
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(a) 5.00 cm
MN/C
(b) 10.0 cm
MN/C
(c) 50.0 cm
MN/C
(d) 200 cm
MN/C

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