Final answer:
Diodes, capacitors, and inductors are key components in suppressing voltage spikes produced by coils operating on direct current.
Explanation:
Diodes are used to suppress voltage spikes produced by coils operating on direct current by allowing only a one-way flow of current, thus preventing the spikes from damaging electronic components. Surge protectors often utilize capacitors in parallel with electronic devices to divert high-frequency surges, as capacitors have low impedance at high frequencies. Additionally, inductors can be used in series to resist sudden changes in current and protect devices from energy surges.
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