After the Switch Is Closed in a Series LR Circuit

question 31

Multiple Choice

After the switch is closed in a series LR circuit, what is the current when a time equal to four time constants has elapsed?

• A) (1/5) I_max
• B) (15/16) I_max
• C) (1/16) I_max
• D) 0.018 I_max
• E) 0.98 I_max

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Definitions:

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