An RC Circuit Has a Time Constant of 2

question 2

Multiple Choice

An RC circuit has a time constant of 2.10 s.At t = 0,the capacitor is fully charged.At what time will the voltage across the capacitor be half of its initial value?

• A)0.728 s
• B)1.35 s
• C)1.46 s
• D)1.83 s
• E)2.58 s

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