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Question 31422
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Electrostatics: Electric Flux MCQ

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Electric FluxEasyQuestion 31422

Question

Electric flux through a surface is:
  1. A
    E × A (always)
  2. B
    E · A = EA cosθ
    Correct
  3. C
    E + A
  4. D
    E/A

Correct answer

E · A = EA cosθ

Explanation

Flux Φ = E · A = EA cosθ where θ is angle between E and the outward normal to the surface.

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