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← ScienceWhich outcome occurs when a radio antenna induces current?
A)Electromagnetic wave propagation occurs✓
B)Antenna temperature decreases rapidly
C)Capacitance increases dramatically
D)Material phase transition initiates quickly
💡 Explanation
Electromagnetic wave propagation occurs because a fluctuating electric field induces a magnetic field, and the reverse also happens. This is electromagnetic induction; therefore, electromagnetic energy radiates away, rather than current dissipation which happens with resistance.
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