be a sudden rise of the current in the primarycoil which produces a similar transient voltage in the second-ary as in case of the battery circuit. For convenience, let us call the period during whichthe interrupter is closed the first transient, and the per-iod beginning from the instant the… … Top curve. Prim & ry Co 17 Curre.nfMi<J<4L<z •• } Cortd(Zr7S<2.r- currentBattom •< j F?efarxr.r>Ca Bf = O0 /op Cur\r<2,^ In-f-errupt&r turnout-Bettor •• F?<zfares?ce 6,-0° 40 explanation of which is given under each picture. As to themathematical expressions for…
