438 Mr. H. A. Wilson : Determination of the Charge 



c/ = 0*4 cm. 





^ = 0-40 cm. 



P.D.= 2000 volts. 





P.D. = 2000 volts. 



t x . t>. 





tv t. r 



(X=0.) (X = +16-7.) 





(X = 0.) (X=+16-7.) 



sees. sees. 





sees. sees. 



21-5 10-1 





21-0 12-4 



21-9 13-0 





20-4 13-2 



20-9 12-0 





20-6 13-0 



21-0 12-0 

 19-4 12-0 







Mean 20'7 Mean 12*9 



21-6 11-6 



»x 



= 0-0193 t> 9 = 0-0310 



Mean 21*05 Mean 11-80 





m=8"3x"10- u 



6=3-0 xlO" 10 . 



tf 1 = 0-0190 tv, = 0-0340 







m =8-lxl0- 12 







6 = 3-8 Xl0- 10 . 







rf=0*4 cm. 



. 



^=+0-40 cm. 



P.D. = 2000 volts. 





P.D.= +1500 volts. 



t x . t 2 . 





t . u 



(X=0.) (X=+16«7.) 





(X=0.) (X=+12-5.) 



sees. sees. 





sees. sees. 



20-0 12-0 





33-6 20-0 



20-4 12-0 





33-0 20-0 

 30-5 20-0 

 31-6 20-4 



Mean 20'2 Mean 12*0 





Vl = 0-0198 v 9 = 0-0334: 

 m = 8-64xl0" 12 





29-4 19-6 







6=3-5 xlO" 10 . 



Mean 31- 





*l 



= 0-0126 v 2 = 0-0200 

 ??i=4-4xl0~ 12 

 6 = 2-04xl0- 10 . 



d= 0*44 cm. I 



\D.= 



:2000 volts. 



t v 

 (X=0.) 



(X 



t 2 . 

 = +15-2.) 



sees. 





sees. 



21-8 





15-4 



22-6 





18-2 



23-4 





16-7 



23-6 





17-2 

 17-6 

 16-4 

 14-6 

 14-4 

 14-9 



Mean... 22-85 B 



lean. 



.16-10 



v 1= = 0-0193 v 2 = 0-0272 m= 



= 8-3 xlO- 12 6 = 2-3 xlO- 10 . 



