CBSE · Class 12 · Physics · Electromagnetic WavesDisplacement current exists in a region where:
Step-by-Step Solution
Displacement current is produced by a time-varying electric field (or changing electric flux), even in the absence of any conduction current.
Detailed Options Breakdown
Option : Electric field is constant
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.
Option 1: Electric field changes with time (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Magnetic field is constant
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.
Option 3: No magnetic field exists
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.
💡 Study Guide: This question tests core syllabus concepts from Electromagnetic Waves. For formulas, key summaries, and mock exam reference guides, read the full Electromagnetic Waves Revision Notes.