﻿540 
  Prof. 
  D. 
  N. 
  Mallik 
  on 
  Magnetic 
  

  

  Combining 
  all 
  these 
  results, 
  we 
  see 
  that 
  

  

  V. 
  

  

  V 
  

  

  p 
  

   TV* 
  

  

  3E 
  

  

  9-1 
  

  

  3 
  

  

  4E 
  

  

  11-4 
  

  

  2-8 
  

  

  5E 
  

  

  15-5 
  

  

  3-1 
  

  

  22. 
  And 
  we 
  conclude 
  that 
  pco 
  = 
  XV, 
  where 
  X 
  is 
  independent 
  

   of 
  jo, 
  a), 
  V, 
  but 
  depends 
  on 
  m 
  and 
  the 
  nature 
  of 
  the 
  gas. 
  It 
  

   also 
  depends 
  on 
  the 
  spark-length. 
  

  

  23. 
  It 
  was 
  a 
  priori 
  evident 
  that 
  w 
  varies 
  as 
  m. 
  In 
  order 
  

   to 
  verify 
  this 
  and 
  obtain 
  the 
  value 
  of 
  ?n, 
  in 
  the 
  particular 
  

   case 
  in 
  which 
  the 
  current 
  in 
  the 
  electromagnet 
  circuit 
  was 
  

   2'2 
  amperes, 
  the 
  following 
  method 
  w 
  r 
  as 
  adopted 
  : 
  — 
  

  

  Fig. 
  9. 
  

  

  a 
  5- 
  

  

  

  30 
  40 
  SO 
  60 
  70 
  

  

  X 
  /f£Pff£S£/VTS 
  NUMBER 
  OF 
  ftOTfiT/OHS 
  

   • 
  " 
  THf?OW 
  K3-7 
  

  

  Experiment 
  IV. 
  — 
  co 
  was 
  determined 
  for 
  different 
  values 
  of 
  

   the 
  current 
  in 
  the 
  coil 
  of 
  the 
  electromagnet, 
  and 
  the 
  results 
  

   were 
  represented 
  by 
  a 
  curve, 
  in 
  which 
  the 
  ordinates 
  repre- 
  

   sented 
  current 
  (in 
  amperes), 
  and 
  abscissae 
  number 
  of 
  

   revolutions 
  in 
  100 
  seconds 
  (fig. 
  9). 
  

  

  