MCQOPTIONS
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MCQOPTIONS
| 1. |
In a series LCR circuit, the difference of the frequencies at which current amplitude falls to\[\frac{1}{\sqrt{2}}\] of the current amplitude at resonance is |
| A. | \[\frac{R}{2\pi L}\] |
| B. | \[\frac{R}{\pi L}\] |
| C. | \[\frac{2R}{\pi L}\] |
| D. | \[\frac{3R}{2\pi L}\] |
| Answer» B. \[\frac{R}{\pi L}\] | |