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← ScienceWhich consequence results when parasitic capacitance couples inductive kickback from a relay?
A)Increased electromagnetic interference (EMI)✓
B)Reduced coil inductance at cutoff
C)Improved relay switching efficiency
D)Suppressed contact arc formation
💡 Explanation
Increased EMI results, because the parasitic capacitance forms a resonant circuit with the inductive kickback, increasing oscillations during switching by LC oscillation, therefore electromagnetic interference is heightened, rather than being suppressed via a snubber circuit's damping.
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