Well as far as I am aware the course covers the e/m determination using crossed fields. IF there were any other ways to find this then that would be great but I've yet to find any.
As part of my Advanced Higher Physics course I am require to investigate an area of physics not covered by the syllabus. My first thought was to use telron tubes or similar in order to determine the charge to mass ratio of an electron. However it has just come to my attention that this has in...