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Author Question: A 4.0-pC point charge is placed at the center of a hollow (inner radius = 2.0 cm, outer radius = 4.0 ... (Read 391 times)

rachel9

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on: Jul 28, 2018
A 4.0-pC point charge is placed at the center of a hollow (inner radius = 2.0 cm, outer radius = 4.0 cm) conducting sphere which has a net charge of 4.0 pC. Determine the magnitude of the electric field at a point which is 6.0 cm from the point charge.
 a. 35 N/C
  b. 25 N/C
  c. 30 N/C
  d. 20 N/C
  e. 10 N/C

Question 2

Charge of uniform density (40 pC/m2) is distributed on a spherical surface (radius = 1.0 cm), and a second concentric spherical surface (radius = 3.0 cm) carries a uniform charge density of 60 pC/m2 . What is the magnitude of the electric field at a point 2.0 cm from the center of the two surfaces?
 a. 1.1 N/C
  b. 4.5 N/C
  c. 1.4 N/C
  d. 5.6 N/C
  e. 0.50 N/C


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jointhecircus

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


rachel9

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Reply #2 on: Jul 28, 2018
Thanks


jointhecircus

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Reply #3 on: Jul 28, 2018
Welcome :)


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