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Depending on the value, it varies.

Using a multimeter set for Kilohms resistance, check that it appears open circuit. This may be hard to determine, due to other components in circuit. It should NOT show zero resistance.

Electrolytic capacitors above 1 microFarad will show some storage of charge.

Using the meter with the probes one way, there should be a percepible rise of resistance. Reverve the leads and you should get an intial negative value followed by a slow rise in resistance.

If there is no perceptible rise, it could be open circuit. If it shows Zero, it will indicate a dead short.

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