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It takes time for a capacitor to release charge after being disconnected from a circuit.
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Capacitors can be a dangerous device.
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A replaceable camera flash unit is not capable of retaining more than 300 volts when charged by a 1.5 volt AA battery.
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When servicing electronic equipment, instruction procedures seldom mention the fact that one should discharge capacitors.
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Capacitors have an attached discharge resistor to reduce gradually stored energy.
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High-voltage capacitors are provided with terminals shorted so as to prevent possible risky voltages.
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In the expression "innocuous device", the underlined word means completely harmless.
Technological communication has been developed along the last ten years.
Human society has already become an information society.
New ways are yet to be found to protect data flow secret.
