alleryTo find the force on a current, the rod considered has uniform:
AColouration
BComposition
CCross-section
DTemperature
Answer & Solution
Correct answer: C. Cross-section
1. The analysis starts from a straight conducting rod.
2. It is given area A and length l.
3. Its cross-sectional area is uniform along its length.
_Source: syllabus Physics Part I, Chapter 4, Moving Charges and Magnetism._
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