AP Physics C: E&M, the one everyone warns you about.
Electricity and Magnetism is the most abstract AP science exam. You cannot see a field, and the math uses surface and line integrals students have barely met. Good tutoring makes it concrete.
- Course
- AP Physics C: Electricity and Magnetism
- Usually
- Grades 11 to 12
- Before it
- AP Physics C: Mechanics and calculus
- Exam
- May, hybrid digital
What AP Physics C: E&M tutoring looks like with us
E&M is usually taught in the spring, often in about half the time of Mechanics. Students meet Gauss's law, Ampere's law, and Faraday's law in quick succession, each with a new style of integral.
Your tutor focuses on the symmetry arguments and setups that turn these laws into routine problems, then practices the RC and RL circuit questions that appear on nearly every exam.
The 6 units of AP Physics C: E&M
| Unit | Topics | Exam weight |
|---|---|---|
| 08 | Electric Charges, Fields, and Gauss's LawCoulomb's law, continuous charge distributions, electric flux, Gauss's law | 15 to 25% |
| 09 | Electric PotentialPotential from fields and charge distributions, equipotentials, energy | 15 to 25% |
| 10 | Conductors and CapacitorsConductors in equilibrium, capacitance, dielectrics, stored energy | 10 to 20% |
| 11 | Electric CircuitsCurrent, resistance, Kirchhoff's rules, RC circuits with differential equations | 15 to 25% |
| 12 | Magnetic Fields and ElectromagnetismMagnetic force, Biot Savart law, Ampere's law | 10 to 20% |
| 13 | Electromagnetic InductionFaraday's and Lenz's laws, inductance, RL and LC circuits | 10 to 20% |
Unit names and exam weights from the current College Board Course and Exam Description.
How the AP Physics C: E&M exam is built
| Section | Questions | Time | Score |
|---|---|---|---|
| Section I | 40 multiple choice | 80 min | 50% |
| Section II | 4 free response | 100 min | 50% |
Hybrid digital, with free response handwritten. Calculator and equation sheet allowed.
Where students lose points in AP Physics C: E&M
Choosing a Gaussian surface
The whole problem depends on using symmetry well. We practice spheres, cylinders, and planes until the choice is obvious.
Continuous charge distributions
Setting up dq for a rod, ring, or disk is where students stall. A consistent setup method fixes it.
RC and RL circuits
These show up almost every year. We connect the differential equation to the graph and the physical meaning.
Signs and directions
Right hand rules and Lenz's law cause careless errors. We build habits that catch them.
What a typical session looks like
- First 5 min
Check in on class: what was taught this week, what is due, and when the next test is.
- Main block
Work through the topic that matters most right now, using your actual homework or class problems.
- Practice
Exam style questions on the same topic, scored the way AP readers score them.
- Last 5 min
A short plan for the week, and the topic for this week's worksheet.
- After
Our support team sends the worksheet, marks it, and returns a written score report and a retest on the weak spots. Parents get a copy.
AP Physics C: E&M tutoring FAQ
Is E&M harder than Mechanics?
What calculus do I need for E&M?
Can you help with university physics too?
How much does AP Physics C: E&M tutoring cost?
Get help with AP Physics C: E&M this week.
Tell us where things stand in AP Physics C: E&M: current grade, next test, anything your teacher has said. We pair you with a tutor who knows this course and set up a free 30 minute trial session.
- A tutor who knows your exact course
- Sessions follow your teacher's syllabus and test dates
- Online, so any time zone in the US works
- Weekly worksheets, written score reports, and retests, all included
- A support team tracking progress and keeping parents updated