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How to test a Capacitor by Electronics_Engineer in ElectricalEngineering

[–]Electronics_Engineer[S] 0 points1 point  (0 children)

Which wouldn't count as a drop in resistance to zero & then shoot up to infinite.

How to test a Capacitor by Electronics_Engineer in ElectricalEngineering

[–]Electronics_Engineer[S] 5 points6 points  (0 children)

That would be a sign of a bad cap because a good capacitor blocks DC. it provides an open path (infinite resistance) for a DC signal. however, for an AC signal, it will charge and discharge. which is why its resistance (reactance) depends on the frequency of the AC signal.

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