MCQOPTIONS
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MCQOPTIONS
| 1. |
The equation of alternating current is : \[I=50\sqrt{2}\,\sin \,400\pi t\,amp\]. Then the frequency and root mean square of current are respectively |
| A. | \[200\text{ }Hz,\text{ }50\text{ }amp\] |
| B. | \[400\pi \,Hz,\,\,50\sqrt{2}\,\,\,amp\] |
| C. | \[200\,Hz,\,\,\,50\sqrt{2}\,\,amp\] |
| D. | \[50\text{ }Hz,\text{ }200\text{ }amp\] |
| Answer» B. \[400\pi \,Hz,\,\,50\sqrt{2}\,\,\,amp\] | |