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Lenz's law fixes which feature of the induced emf?

AIts geometry
BIts polarity
CIts duration
DIts material
Answer & Solution
Correct answer: B. Its polarity
1. Faraday's law gives the size of the emf. 2. A separate rule is needed for its direction. 3. Lenz's law gives the polarity of the induced emf. 4. So the answer is its polarity. _Source: syllabus Physics, Ch 6 'Electromagnetic Induction'_
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