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AP Physics C: E&M · 6 units · 31 topics

Score a 5 on AP Physics C: E&M.

Six units covering electric fields and potential, conductors and capacitors, circuits, magnetism, and electromagnetic induction.

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Study notes

Every AP Physics C: E&M unit, explained.

Unit 1 is free to read in full. Every other unit shows its first topic free; a 7-day trial opens the rest.

  1. Unit 1Electric Charges, Fields, and Gauss’s Law15–25% of the exam · 6 topicsFreeRead unit
  2. Unit 2Electric Potential10–20% of the exam · 3 topicsPreviewPreview
  3. Unit 3Conductors and Capacitors10–15% of the exam · 4 topicsPreviewPreview
  4. Unit 4Electric Circuits15–25% of the exam · 8 topicsPreviewPreview
  5. Unit 5Magnetic Fields and Electromagnetism10–20% of the exam · 4 topicsPreviewPreview
  6. Unit 6Electromagnetic Induction10–20% of the exam · 6 topicsPreviewPreview
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AP Physics C: E&M · Sample questions

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Two capacitors, C1=4  μFC_1 = 4\;\mu\text{F} charged to V1=100V_1 = 100 V and C2=6  μFC_2 = 6\;\mu\text{F} charged to V2=50V_2 = 50 V, are disconnected from their batteries and then connected in parallel with positive plates joined together. What is the final voltage across the combination?
FAQ

AP Physics C: E&M questions, answered.

What's on the AP Physics C: E&M Exam?
The AP Physics C: Electricity and Magnetism Exam is 3h long: Multiple choice (42 questions, 85 minutes, 50% of the score) and Free response (4 questions, 95 minutes, 50% of the score). These figures come from College Board's AP Physics C: E&M exam page.
Are these AP Physics C: E&M notes free?
Unit 1 is free to read in full, and every other unit shows its first topic free. A free 7-day trial opens all 6 units and the full-length practice tests.
How many units are in AP Physics C: E&M?
AP Physics C: E&M has 6 units: Unit 1, Electric Charges, Fields, and Gauss’s Law (15–25% of the exam); Unit 2, Electric Potential (10–20% of the exam); Unit 3, Conductors and Capacitors (10–15% of the exam); Unit 4, Electric Circuits (15–25% of the exam); Unit 5, Magnetic Fields and Electromagnetism (10–20% of the exam); Unit 6, Electromagnetic Induction (10–20% of the exam).
When is the AP Physics C: E&M Exam?
AP Exams are held over two weeks every May. College Board publishes the schedule for each year; the AP exam calendar lists the dates once they are announced.
How is the AP Physics C: E&M Exam scored?
AP Exams are scored from 1 to 5. The AP Physics C: E&M score calculator estimates your score from your results on each section.

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