alleryAmpere's circuital law holds for loops that are:
AAny at all
BCircular only
CSquare only
DVery small
Answer & Solution
Correct answer: A. Any at all
1. The law is completely general in the loops it allows.
2. It may still be hard to use for an awkward shape.
3. But it holds for any loop.
_Source: syllabus Physics Part I, Chapter 4, Moving Charges and Magnetism._
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