AP Physics C: E&M Formula Sheet
This AP Physics C E and M formula sheet sets out the Electricity and Magnetism equations on the College Board’s AP Physics C: Electricity and Magnetism Exam Reference Information (2025). The full sheet you get in the exam also includes the mechanics, geometry and calculus tables.
- 29 formulas
- 3 sections
- Checked 21 October 2026
Electric force, field and potential
Electrostatics from the Electricity and Magnetism table.
- Coulomb's law
- Electric field
- Electric flux
- Gauss's law
- Total charge
- Electric potential energy
- Electric potential
- Potential difference
- Field from potential
Capacitors and circuits
Capacitance, current and resistance.
- Capacitance
- Energy stored in a capacitor
- Dielectric constant
- Current and current density
- Resistance
- Power
- Resistors
- Capacitors
- RC time constant
Magnetism and induction
Magnetic fields, induction and inductors.
- Gauss's law for magnetism
- Magnetic force on a charge
- Biot–Savart law
- Force on a current
- Ampère's law
- Field in a solenoid
- Magnetic flux
- Faraday's law
- Inductance of a solenoid
- Inductor energy and e.m.f.
- RL time constant and LC circuit
Based on the College Board AP Physics C: Electricity and Magnetism Exam Reference Information (© 2025 College Board) (official source), checked 21 October 2026. Always check the formula list printed in your own exam paper.
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