1884. J Heating Effects of Electric Currents. 



46 



Constant deflection from standard Daniell cell = 9050' (d) through 10,000 ohms. 



dxU 



Description of wire. 



G-auge of wire in 

 mils.* 



Area per square 

 inch. 



Deflection. 



m 



Resistance in coils. 



Resistance of shunted 

 galvanometer. 



Total resistance. 



Equivalent deflec- 

 tion through 10,000 

 ohms (D). 



Observed current 

 in amperes. 



Current calculated 

 from the formula 

 ■14587 xdVd. 





30 



•0007066 



285 



i 



99 



1,000 



512 



1,512 



4309 



23 -969 



23 -969 





24 



•0004523 



212 



1 



9 



10,000 



5121 



15,121 



3026 



16 -832 



17 -151 



?H 



03 



Ph 



20 



•0003141 



163 



i 



10,000 



5121 



15,121 



2465 



13-711 



13 -047 



Ph 



18 



•0002544 



134 



1 



9" • 



10,000 



5121 



15,121 



2026 



11 '269 



11 '140 



O 



O 



14 



•0001539 



91 



1 



9" 



10,000 



5121 



15,121 



1376 



7-654 



7-641 





8 



•0000502 



113 



1 



9 



1,000 



5121 



6,121 



692 



3-849 



3-300 



Constant deflection from standard Daniell cell = 9050'. 



Description of wire. 



G-auge of wire in 

 mils. 



Area per square 

 inch. 



Deflection. 



Shunt. 



Resistance in coils. 



Resistance of shunted 

 galvanometer. 



Total resistance. 



Equivalent deflec- 

 tion through 10,000 

 ohms. 



Observed current 

 in amperes. 



Current calculated 

 from the formula 

 •035755 x dVd. 



h 



iron. 



60 



•002827 



330 





5000 



5,121 



10,121 



3340 



18-579 



18-579 



.3 ^ 



40 



•001256 



345 







5000 



51,210 



56,210 



1939 



10-785 



10 -113 



Swec 

 wrougl 



20 



•0003141 



137 







5000 



51,210 



56,210 



770 



4-283 



3-575 



10 



•0000785 



55 







5000 



5L,210 



56,210 



309 



1-718 



1-43 



* The mil is one-thousandth of an inch. 



2 k 2 



