A straight, nonconducting plastic wire 8.50 cm long carries acharge density of +175 nC/m distributed uniformly along its length. Itis lying on a horizontal tabletop. (a) Find the magnitude and direction ofthe electric field this wire produces at a point 6.00 cm directly above itsmidpoint. (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 apoint 6.00 cm directly above its center.

A straight, nonconducting plastic wire 8.50 cm long carries acharge density of +175 nC/m distributed uniformly along its length. Itis lying on a horizontal tabletop. (a) Find the magnitude and direction ofthe electric field this wire produces at a point 6.00 cm directly above itsmidpoint. (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 apoint 6.00 cm directly above its center.

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