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Question
The diagram shows one plate of a parallel-plate capacitor from within the capacitor. The plate is circular and has radius R. The dashed circles are four integration paths have radii of r1= R/4, r2= R/2, r3=3 R/2, and r4= 2R. Rank the paths according to the magnitude of
around the paths during the discharging of the capacitor, least to greatest.
A) 1, 2 and 3 tie, then 4
B) 1, 2, 3, 4
C) 1, then 2 and 4 tie, then 3
D) 4, 3, 1, 2
E) 3, then 2 and 4 tie, then 1
Answer
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