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The electric field in a region of space is given by, E → = E 0 i ^ + 2 E 0 j ^ where E 0 = 100 N C - 1 . The flux of this field through a circular surface of radius 0 . 02 m parallel to the Y ‐ Z plane is nearly

Options

  1. A0 . 02   N   m 2   C - 1
  2. B0 . 005   N   m 2   C - 1
  3. C0 . 125   N   m 2   C - 1
  4. D3 . 14   N   m 2   C - 1

Correct answer

C. 0 . 125   N   m 2   C - 1

Step-by-step solution

ϕ = E → · A → = E 0 i ^ + 2 E 0 j ^ · π r 2 i ^ = E 0 π r 2 = 0 . 125   N   m 2   C - 1

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