A long non-conducting cylinder has a charge density p= ar, where a = 5.58 C/m¹ and r is in meters. Concentric around it is a hollow metallic cylindrical shell. L 9.4 cm 21.2 cm 32.6 cm What is the electric field at 2.93061 cm from the central axis? Assume the length L is very long compared to the diameter of the shell, and neglect edge effects. The permittivity of free space, €0, is 8.8542 x 10 C²/N/m². Answer in units of N/C. 12 What is the electric field at 8.25 cm from the central axis? Answer in units of N/C. What is the direction of the electric field at 15.5 cm from the central axis?

A long non-conducting cylinder has a charge density p= ar, where a = 5.58 C/m¹ and r is in meters. Concentric around it is a hollow metallic cylindrical shell. L 9.4 cm 21.2 cm 32.6 cm What is the electric field at 2.93061 cm from the central axis? Assume the length L is very long compared to the diameter of the shell, and neglect edge effects. The permittivity of free space, €0, is 8.8542 x 10 C²/N/m². Answer in units of N/C. 12 What is the electric field at 8.25 cm from the central axis? Answer in units of N/C. What is the direction of the electric field at 15.5 cm from the central axis?

University Physics Volume 2

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Chapter6: Gauss's Law

Section: Chapter Questions

Problem 68P: Two parallel conducting plates, each of cross-sectional area 400 cm2, are 2.0 cm apart and...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

A long non-conducting cylinder has a charge
density p= ar, where a = 5.58 C/m² and r
is in meters. Concentric around it is a hollow
metallic cylindrical shell.
L
9.4 cm 21.2 cm 32.6 cm
What is the electric field at 2.93061 cm from
the central axis? Assume the length L is very
long compared to the diameter of the shell,
and neglect edge effects. The permittivity of
free space, €0, is 8.8542 x 10 C²/N/m².
Answer in units of N/C.
12
What is the electric field at 8.25 cm from the
central axis?
Answer in units of N/C.
What is the direction of the electric field at
15.5 cm from the central axis?
1. The electric field is not a vector and there-
fore has no direction.
2. Undetermined, since the field is zero.
3. Points radially outward.
4. Points radially inward.

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