J.j.thomson cathode ray1/4/2023 ![]() ![]() Thomson’s first experiment with cathode rays involved an electrometer and a magnet. What was JJ Thomson’s first experiment? J.J. What did JJ Thomson do in his first experiment? Thomson realized that the accepted model of an atom did not account for the particles charged negatively or positively. He had shown that the cathode rays were charged negatively. Thomson invented the electron by playing with a tube that was Crookes, or cathode ray. ![]() ![]() What did JJ Thomson discover about the cathode rays? These were superseded by the oscilloscope which used a cathode ray tube (CRT) as its display element, often referred to as Cathode Ray Oscilloscopes – CROs. What is a cathode ray oscilloscope Wikipedia?Įarly high-speed visualisations of electrical voltages were made with an electro-mechanical oscillograph.
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