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A long, straight metal rod has a radius of 5.50 cm and a charge per unit length of 33.8 nC/m



A long, straight metal rod has a radius of 5.50 cm and a charge per unit length of 33.8 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measured perpendicular to the rod's axis. 


(a) 3.10 cm

(b) 20.0 cm 

(c) 200 cm  

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