A 72 ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential of wire is 115 volts, what is the rheostat resistance when power taken by the coil is 90 watts?
Related
https://topclasswriter.com/wp-content/uploads/2021/07/log-300x60.png00Sophiahttps://topclasswriter.com/wp-content/uploads/2021/07/log-300x60.pngSophia2021-08-13 18:36:242021-08-06 11:44:58Rheostat Resistance engineering assignment help