MCQ
In an $LR-$circuit, time constant is that time in which current grows from zero to the value $($where $I _0$ is the steady state current$)$
- ✓$0.63 I _0$
- B$0.50 I _0$
- C$0.37 I _0$
- D$I _0$
✓
Answer
Correct option: A.
$0.63 I _0$
$0.63 I _0$
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