A 012- $\mu$ F Capacitor,initially Uncharged,is Connected in Series with a 10-K

question 93

Multiple Choice

A 0.12- $\mu$ F capacitor,initially uncharged,is connected in series with a 10-k $\Omega$ resistor and a 12-V battery of negligible internal resistance.Approximately how long does it take the capacitor to reach 90% of its final charge?

• A)5.5 ms
• B)2.8 ms
• C)1.4 ms
• D)3.5 ms
• E)6.9 ms

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