AP®︎ Physics 2 Unit 11: Notes & Study Guide
Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 11 of AP Physics 2 – Electric Circuits.
Unit 11: Electric Circuits
How current flows through resistors and capacitors in series and parallel circuits, governed by Kirchhoff’s rules.
Begin with Topic 11.1: Electric CurrentTo review Unit 11, go through each of the 8 topics below.
Everything you actually need to know for your Unit 11 test, pulled directly from the AP® Physics 2 curriculum.
Electric Current
Electric Current
- What Electric Current Is
- What Makes Charges Move - Electric Potential Difference (emf)
- How Charges Actually Move in a Wire
Simple Circuits
Simple Circuits
- What a Simple Circuit Is
- The Three Circuit States
- Common Circuit Elements and Their Roles
Resistance, Resistivity, and Ohm’s Law
Resistance, Resistivity, and Ohm’s Law
- What Resistance Is
- Resistivity and the Geometry of a Conductor
- Ohm’s Law and Ohmic Materials
Electric Power
Electric Power
- What Electric Power Is in a Circuit
- The Power Equations You Must Know
- Power in Different Circuit Elements
Compound Direct Current (DC) Circuits
Compound Direct Current (DC) Circuits
- Equivalent Resistance in Compound Circuits
- Series and Parallel Connections
- How to Analyze Compound Circuits
Kirchhoff’s Loop Rule
Kirchhoff’s Loop Rule
- Energy Changes for Charges in a Circuit
- Kirchhoff’s Loop Rule
- Applying the Loop Rule Step by Step
Kirchhoff’s Junction Rule
Kirchhoff’s Junction Rule
- What Kirchhoff’s Junction Rule Says
- Current and Sign Conventions at a Junction
- How to Apply the Junction Rule
Resistor-Capacitor (RC) Circuits
Resistor-Capacitor (RC) Circuits
- Equivalent Capacitance
- The Time Constant \( \tau \)
- Charging a Capacitor
Notes
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