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Ampere's law is easiest to apply in situations of high:
APressure
BSymmetry
CTemperature
DResistance
Answer & Solution
Correct answer: B. Symmetry
1. Evaluating the field needs the loop integral to be simple.
2. That happens when the field is the same all along the loop.
3. Such cases have high symmetry.
_Source: NCERT Class 12 Physics Part I, Chapter 4, Moving Charges and Magnetism._
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