Chapter 4: Q52E (page 716)
Q) 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.
Short Answer
Answer:
(a) The magnitude of the electric field at point a point 6.00cm directly above its midpoint isand the direction is in positive x direction.
(b) The magnitude of the electric field at point a point 6.00cm directly above its center is and the direction of electric field is in +x direction .