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Unit 11: Electric Circuits

Electric Current

Define current as dq/dt, connect it to drift velocity and current density, integrate a nonuniform J, and give current its direction.

Topic 11.1 · 11 min read

This lesson comes with the AP Physics C: Electricity and Magnetism plan

In this lesson

  1. 01Current is a rate of charge flow
  2. 02Drift velocity: how current looks up close
  3. 03Current density
  4. 04Which way current goes
  5. 05Worked examples
  6. 06Where students lose points
  7. 07On the exam

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