NCERT · Class 12 · Physics · Electromagnetic InductionThe negative sign in Faraday's law of electromagnetic induction represents:
Step-by-Step Solution
The negative sign represents Lenz's law, which indicates that the induced emf opposes the change in magnetic flux that produces it.
Detailed Options Breakdown
Option : Direction of magnetic field
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Induction.
Option 1: Conservation of energy (Lenz's law) (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Decrease in resistance
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Induction.
Option 3: Increase in current
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Induction.
💡 Study Guide: This question tests core syllabus concepts from Electromagnetic Induction. For formulas, key summaries, and mock exam reference guides, read the full Electromagnetic Induction Revision Notes.