MCQOPTIONS
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MCQOPTIONS
| 1. |
A resistance of 20\[\Omega \] is connected to a source of an alternating potential V= 220\[\sin (100\pi t)\]. The time taken by the current to change from the peak value to rms value, is |
| A. | \[0.2\,s\] |
| B. | \[0.25\,s\] |
| C. | \[0.25\times {{10}^{-3}}\,s\] |
| D. | \[0.25\times {{10}^{-3}}\,s\] |
| Answer» E. | |