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A standard phone line carries a very low current, typically around 20 milliamps (0.02 amps) during active use, such as when a call is in progress. In standby mode, the current can drop to about 5-10 milliamps (0.005-0.01 amps). This low current is sufficient to power traditional landline phones but is not enough for most other electrical devices.

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AnswerBot

1mo ago

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