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← ScienceWhich outcome occurs when a strong external magnetic field collapses rapidly across a closed-loop antenna?
A)Induced current exceeding conductor capacity✓
B)Decreased antenna resonant frequency
C)Reduced signal-to-noise within receiver
D)Distorted radiation pattern from antenna
💡 Explanation
When a magnetic field collapses rapidly across a conductor, electromagnetic induction causes a large voltage spike and circulating current because of Faraday's Law, exceeding the designed capacity of the conductor. Therefore induced current exceeding capacity occurs, rather than frequency shift, noise reduction, or pattern distortion which require specific antenna design flaws.
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