Free AP Physics C lesson

Electric Flux Basics

This AP Physics C: Electricity & Magnetism lesson is designed for AP Physics C self-study. It includes 3 video lessons, 5 practice questions, and an estimated completion time of 15 minutes.

Video lessons

  1. An Introduction to Electric Flux (part 1)

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  2. An Introduction to Electric Flux (part 2)

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  3. An Introduction to Gauss's Law

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Practice covered

  1. Electric flux through a surface is defined as:
  2. A uniform electric field of magnitude E = 500 N/C passes through a flat square surface of area A = 0.04 m² at an angle of theta = 60° to the surface normal. Calculate the electric flux (in N·m²/C) through the surface.
  3. For a closed surface in a uniform electric field with no charges inside, the net electric flux through the surface is:
  4. Gauss's Law states that the net electric flux through a closed surface is proportional to:
  5. A point charge of Q = 5.0 times 10^-9 C is enclosed by a spherical surface. Calculate the net electric flux (in N·m²/C) through the surface. (Use epsilon_0 = 8.85 times 10^-12 C²/(N·m²))
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