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Physical Sciences & Mathematics

Why does a theoretical radio antenna, modeled as a perfect infinitesimal dipole, radiate electromagnetic waves?

A)Quantum entanglement couples dipole vacuum
B)Thermal fluctuations induce wave propagation
C)Charge imbalances create magnetic monopoles
D)Accelerating charges produce time-varying fields

💡 Explanation

Accelerating charges create time-varying electric and magnetic fields; this is the fundamental principle behind electromagnetic radiation. Because the infinitesimal dipole has oscillating charges, it radiates via the mechanism of electromagnetic induction. Therefore, the antenna emits waves, rather than relying on quantum effects or nonexistent magnetic monopoles.

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