Answer: A straight, nonconducting plastic wire 8.50 cm
Chapter 21, Problem 21.52(choose chapter or problem)
A straight, nonconducting plastic wire 8.50 cm long carries a charge density of +175 nC>m distributed uniformly along its length. It is lying on a horizontal tabletop. (a) Find the magnitude and direction of the electric field this wire produces at a point 6.00 cm directly above its midpoint. (b) If the wire is now bent into a circle lying flat on the table, find the magnitude and direction of the electric field it produces at a point 6.00 cm directly above its center.
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