AP®︎ Physics C: E&M Unit 11: Notes & Study Guide
Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 11 of AP Physics C: E&M – Electric Circuits.
Unit 11: Electric Circuits
How current, resistance, and EMF relate through Kirchhoff's laws, including RC circuit transients with exponential behavior.
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 C: Electricity and Magnetism curriculum.
Electric Current
Electric Current
- What Electric Current Is
- Direction of Current
- Current Density
Simple Circuits
Simple Circuits
- What an Electric Circuit Is
- Circuit Elements and What They Do
- Circuit Schematics and Physical Arrangement
Resistance, Resistivity, and Ohm’s Law
Resistance, Resistivity, and Ohm’s Law
- What Resistance Is
- Resistivity and What Resistance Depends On
- Ohm’s Law and Circuit Element Behavior
Electric Power
Electric Power
- What Electric Power Is
- Equivalent Forms of the Power Equation
- Power and Energy Flow in Circuit Elements
Compound Direct Current Circuits
Compound Direct Current Circuits
- Series and Parallel Connections
- Equivalent Resistance in Compound Circuits
- Batteries with Internal Resistance
Kirchhoff’s Loop Rule
Kirchhoff’s Loop Rule
- What Kirchhoff’s Loop Rule Says
- Voltage changes across circuit elements
- Electric potential graphs around a loop
Kirchhoff’s Junction Rule
Kirchhoff’s Junction Rule
- What Kirchhoff’s Junction Rule Says
- How to Apply the Junction Rule in a Circuit
- Multiple Junctions and Independent Equations
Resistor-Capacitor (RC) Circuits
Resistor-Capacitor (RC) Circuits
- Equivalent Capacitance of Multiple Capacitors
- The Fundamental RC Differential Equation
- The Time Constant \( \tau \)
Notes
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