MCQOPTIONS
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MCQOPTIONS
| 1. |
The current in an L-R circuit builds up to\[{{(3/4)}^{th}}\]of its steady state value in 4 seconds. The time constant of this circuit is |
| A. | \[\frac{1}{ln\,\,2}\sec \] |
| B. | \[\frac{2}{ln\,\,2}\sec \] |
| C. | \[\frac{3}{ln\,\,2}\sec \] |
| D. | \[\frac{4}{ln\,\,2}\sec \] |
| Answer» C. \[\frac{3}{ln\,\,2}\sec \] | |