Question an uncharged 370-uf capacitor is in series through, Ask an Expert

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Question: An uncharged 3.70-uF capacitor is in series, through a switch, with a 4.30-Mohm resistor and a 28.8- V battery (with negligible internal resistance.) The switch is closed at t = 0 and a current of Ii immediately appears.

Part A: How long will it take for the current in the circuit to drop to 0.37Ii?

Explain how you came up the prefixes and answer please.

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