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Unit 9 Overview: DC Circuits

1 min readβ€’march 11, 2023

Peter Apps

Peter Apps

Peter Apps

Peter Apps


AP Physics 1 🎑

257Β resources
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Electricity is everywhere, powering our daily lives. Most electronic devices, from cell phones and computers to flashlights and cars use direct current (DC) electrical circuits to power them.
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Image courtesy of Unsplash.

This unit serves looks at the concepts from Unit 8 and apply them in creating and analyzing electric circuits. These topics will account for ~6-8% of the AP exam questions and will take approximately 9-12 45 minute class periods to cover.

Applicable Big Ideas

  • Big Idea #1: Systems - Objects and systems have properties such as mass and charge. Systems may have an internal structure.
  • Big Idea #5: Conservation - Changes that occur as a result of interactions are constrained by conservation laws.

Key Concepts

  • Resistivity (𝜌)
  • Resistance (R)
  • Voltage (V)
  • Current (I)
  • Charge (q)
  • Electrical Energy (W)
  • Electrical Power (P)
  • Series Circuits
  • Parallel Circuits

Key Equations

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πŸŽ₯Watch: AP Physics 1 - Unit 9 Streams
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