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1. |
The waveform shown in a sweep voltage used to defect the beam in a cathode ray oscilloscope. The transform of this function can be written as |
A. | <table><tr><td rowspan="2">F (s) =</td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> -<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>e<sup> as</sup> </center></td><td rowspan="2"><br></td></tr><td align="center">as<sup>2</sup> </td><td align="center">s(1 e<sup> as</sup>)</td></table> |
B. | <table><tr><td rowspan="2">F (s) =</td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> -<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>e<sup> as</sup> </center></td><td rowspan="2"><br></td></tr><td align="center">as </td><td align="center">s(1 e<sup> as</sup>)</td></table> |
C. | <table><tr><td rowspan="2">F (s) =</td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> -<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>e<sup>as</sup> </center></td><td rowspan="2"><br></td></tr><td align="center">as<sup>2</sup> </td><td align="center">s(1 e<sup> as</sup>)</td></table> |
D. | |
E. | <table><tr><td rowspan="2">F (s) =</td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> -<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>e<sup> as</sup> </center></td><td rowspan="2"><br></td></tr><td align="center">as<sup>2</sup> </td><td align="center">s(1 + e<sup> as</sup>)</td></table> |
Answer» B. <table><tr><td rowspan="2">F (s) =</td><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> -<br></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>e<sup> as</sup> </center></td><td rowspan="2"><br></td></tr><td align="center">as </td><td align="center">s(1 e<sup> as</sup>)</td></table> | |