AP Physics C: Electricity and Magnetism · Free-response questions 2012

3 questions, each with its course unit and the official scoring guidelines.

Official paper (PDF) · QuestionsAll AP Physics C: E&M papers→

Question 2

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Question 2 — E&M. 2. A physics student wishes to measure the resistivity of slightly conductive paper that has a thickness of 4 1.0 10 m - ¥ . The student cuts a sheet of the conductive paper into strips of width 0.02 m and varying…

Source: College Board — AP Physics C: Electricity and Magnetism, Free-response questions, 2012

Question 3

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Question 3 — E&M. 3. A closed loop is made of a U-shaped metal wire of negligible resistance and a movable metal crossbar of resistance R. The crossbar has mass m and length L. It is initially located a distance 0 h from the other…

Source: College Board — AP Physics C: Electricity and Magnetism, Free-response questions, 2012

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