Free AP Physics C lesson

Series & Parallel Circuits

This AP Physics C: Electricity & Magnetism lesson is designed for AP Physics C self-study. It includes 5 video lessons, 8 practice questions, and an estimated completion time of 30 minutes.

Video lessons

  1. Resistors in Series

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  2. Resistors in Parallel

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  3. Combination Circuits Containing Series and Parallel Resistors

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  4. Kirchhoff's Current Law (Junction Rule)

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  5. Kirchhoff's Voltage Law (Loop Rule)

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Practice covered

  1. For resistors connected in series, the equivalent resistance R_eq is:
  2. Three resistors (10 Ω, 20 Ω, and 30 Ω) are connected in series. Calculate the equivalent resistance (in ohms).
  3. For resistors connected in parallel, the equivalent resistance is found by:
  4. Two resistors (6.0 Ω and 3.0 Ω) are connected in parallel. Calculate the equivalent resistance (in ohms).
  5. To analyze a combination circuit with both series and parallel resistors, you should:
  6. Kirchhoff's Current Law (KCL) states that:
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