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← ScienceWhich risk increases when the gap capacitance within a spark-gap transmitter shrinks due to electrode oxidation?
A)Reduced maximum transmission range
B)Increased electromagnetic pulse duration
C)Increased frequency spectrum broadening✓
D)Decreased risk of parasitic oscillations
💡 Explanation
Electrode oxidation leads to decreased gap capacitance causing increased frequency spectrum broadening because, it alters the resonant frequency as governed by LC oscillation. Broadening therefore happens, rather than range reduction which relates to power output, or oscillation changes.
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