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How long will it take for a 2.2 ?F capacitor to charge when connected in series with a 820 ohm resistor to a 25 volt source? 180 ms .18 ms 9.02 ms 19.02 ms
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Answer #1

Time constant (1) = RC = 820X 2.2X10 = 16804m sec Time = 57 = 5x1.804miser =9.02m sec

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