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CBSE · Class 12 · Physics · Electromagnetic WavesWhat is the source of an electromagnetic wave?

Step-by-Step Solution

An accelerated charge radiates electromagnetic waves because an acceleration creates a changing electric field, which in turn produces a changing magnetic field, sustaining the wave propagation.

Detailed Options Breakdown
Option : A stationary charge

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.

Option 1: A charge moving with a uniform velocity

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Electromagnetic Waves.

Option 2: An accelerated charge (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 3: A neutral particle at rest

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.
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