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QiTian QiTian
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Posts: 506
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6 years ago
Two uniform rods, each of length 2.0 m, are bent to form semicircles. One rod has a charger per unit lent of 1.5 nC/m, and the other has a charge per unit length of 1.5 nC/m. The semicircles are joined to make a circle. What is the magnitude of the electric field at the center of the circle?
 a. 42 N/C
  b. 84 N/C
  c. 34 N/C
  d. 68 N/C
  e. 0
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