Quick answer: The Biot–Savart law gives the field of a current element, dB = (μ₀/4π) I dl × r̂/r², and integrating it yields B = μ₀I/2πd for a long wire and μ₀I/2R at a loop's centre. This AP Physics C quiz checks Ampère's law with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This Ampère’s law quiz for AP Physics C has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on Ampère’s law.
Choose the best answer for each of the ten questions. The wrong options reflect common errors: mixing 1/r and 1/r², confusing μ₀ with ε₀, and forgetting that Ampère’s law counts only the enclosed current. Read each explanation after answering.
Level: AP Physics C (Mechanics and E&M, calculus-based) · Curriculum: AP PC:E&M Unit 12
