![]() ![]() Instead, he relied on scholarships at universities – ironically leading him to much greater fame in academia. ” While in school, his father died, and his family didn’t have enough money for the apprenticeship. Thompson later recalled that, “the authorities at Owens College thought my admission was such a scandal – I expect they feared that students would soon be coming in perambulators – that they passed regulations raising the minimum age for admission, so that such a catastrophe should not happen again. When he was 14 years old, Thomson planned to get an apprenticeship to a locomotive engineer but it had a long waiting list, so, he applied to and was accepted at that very young age to Owen’s college. Thomson found that this value comes to \( 1.76 \times 10^8 C/g \).Table of Contents The Start of JJ Thomson How Thomson Discovered Electrons: Trials and Errors Thomson’s Conclusion ReferencesĪ short history of Thomson: Joseph John Thomson, JJ on papers, to friends, and even to his own son, was born in Lancashire, England to a middle class bookseller. The charge-to-mass ratio of the electron can be determined by measuring the effects of the magnetic and electric fields on the motion of the beam.What is the charge-to-mass ratio for the cathode ray particles?.If the correct combination is reached, the can completely cancel each other out and not deflect the rays at all. When both electric and magnetic forces are applied to the cathode ray, they combine against or with each other to deflect the cathode rays.What is the effect of simultaneous electric and magnetic fields on the cathode ray?.Again, this is due to the negative charge the cathode rays possess. ![]() When the north pole is facing towards the CTR, the beam is deflected upwards. If the south pole is facing towards the CTR (Cathode Ray Tube), the beam is deflected down.
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