A 20-μF Capacitor That Is Initially Uncharged Is Charged Through a a 50-KΩ

question 68

Multiple Choice

A 2.0-μF capacitor that is initially uncharged is charged through a 50-kΩ resistor.How long does it take for the capacitor to reach 90% of its full charge?

• A)0.90 s
• B)0.23 s
• C)2.2 s
• D)2.3 s

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