142 Crook — Electromagnetic Alternating Currents. 







Table IV. 







Current 





Iron and 







density 



Iron in 



rod in 





Iron in 



per sq, mm. 



multiple. 



series. 



Eod alone. 



series. 



0- 



1051 



1051 



1045 



1055 



•5 



962 



863 



861 







1- 



856 



660 



702 



1003 



1-5 



760 



492 



533 







l-^D 



728 



286 



340 







2- 



705 









970 



2-29 



681 











2-6 







80 ■ 



163 







3- 















935 



4- 















903 



4-58 















870 



Table V. 

 Total residual induction. 



Current 

 density 



Iron in 



A 



Iron and rod 





Iron in 



in iron. 



multiple. 



in series. 



Eod alone. 



series. 



•0 



1150 



1146 



1150 



1150 



•25 



1090 















•5 



]004 



1012 



1010 



1125 



1- 



865 and 855 



900 



908 



1095 



1-5 



725 and 695 















2-75 



665 and 610 















2' 







658 



686 



1045 



2-31 



560 and 465 















3- 







400 



460 



975 



3-5 















945 



4- 







179 



230 







4-62 



... ... 



45 

 Table VI. 



132 



870 





Total residual induction. 





Current 

 density 











Iron in Ir 



on and rod 





Iron in 



in iron. 



multiple. 



in series. Eod alone. 



series. 



0- 



1000 



1001 



1000 



1004 



•25 



996 















•5 



990 



940 



920 



1000 



•75 



980 















1- 







875 



850 



1003 



1^5 







820 . 



792 



1003 



The hysteresis cycles given on Diagram I shows that the 

 alternating current as magnetically compensated has an effect 

 on the magnetic induction in iron. 



