Question

The charge per unit length on a long, straight filament is -89.3 µC/m. (a) Find the...

The charge per unit length on a long, straight filament is -89.3 µC/m.

(a) Find the electric field 10.0 cm from the filament, where distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive direction.)

b) Find the electric field 26.5 cm from the filament, where distances are measured perpendicular to the length of the filament.


(c) Find the electric field 110 cm from the filament, where distances are measured perpendicular to the length of the filament.

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Homework Answers

Answer #1

use Gauss law and find electric field at any distance perpendicular to line charge.

For that draw a cylindrical surface and find net charge enclosed by the the Gaussian surface.

Then solve for electric field.

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