Question

12-A rod 16.0 cm long is uniformly charged and has a total charge of -21.0 µC....

12-A rod 16.0 cm long is uniformly charged and has a total charge of -21.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 40.0 cm from its center.

magnitude

17-The charge per unit length on a long, straight filament is -94.7 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.)
MN/C

(b) Find the electric field 40.0 cm from the filament, where distances are measured perpendicular to the length of the filament.
MN/C

(c) Find the electric field 150 cm from the filament, where distances are measured perpendicular to the length of the filament.
MN/C

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