## Basic Electricity: A Program[m]ed Learning Course, Volume 7 |

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2hys 3hys 4hys 5hys 8hys AC inductive circuit AC offered air core alternating current amount of current amount of inductance amplitude amps per second amps/sec CEMF CHANGE TO PANEL coil or choke coils depends conductor induces connected in series core coil current increases ductor El/Et El/Xl Er/R Et/It Et/Z Explanation force crossing wire henrys than inductor Hypotenuse H Il/It impedance induced EMF induces an EMF inductive reactance Xl iron core L2 are connected lines of force LT in Fig magnetic field measured in ohms mhys mutual inductance negative peak number of henrys number of lines Ohm's law formulas opposition to AC opposition to current parallel circuit parallel LR circuit Pennsylvania State University phase difference polarity rate of change resistor right triangle RL series self-induced EMF series AC circuit series circuit side adjacent side opposite simple L circuit Solve for LT source EMF switch is closed total opposition VEr2 VIr2 volts Z/Xl