1.

A resistor R is connected to a voltage source V

A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>V<sub>s</sub> R<sub>s</sub> R<sub>m</sub></center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">R<sub>s</sub> R<sub>m</sub> + R<sub>s</sub> R + R R<sub>m</sub></td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>V<sub>s</sub> R</center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">R + R<sub>s</sub> </td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>V<sub>s</sub> R<sub>m</sub></center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">R R<sub>s</sub> + R<sub>m</sub></td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>V<sub>s</sub> R R<sub>m</sub></center></td><td rowspan="2"> </td></tr><tr><td style="text-align: center;">R<sub>s</sub> R + R<sub>s</sub> R<sub>m</sub> + R R<sub>m</sub></td></tr></table>
Answer» E.


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