The person credited with measuring the mass/charge ratio of the electron is J.J. Thomson. He conducted his experiments in the late 19th century. Here are the steps he took:

1. Thomson used a cathode ray tube for his experiment. This is a sealed glass container where almost all the air has been removed. At each end of the tube, there are two pieces of metal, known as electrodes. One is the cathode and the other is the anode.

2. When a high voltage is applied to the electrodes, a beam of light, or cathode rays, is produced from the cathode and moves towards the anode.

3. Thomson placed a pair of magnetic plates

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The person credited with measuring the mass/charge ratio of the electron is J.J. Thomson. He conducted his experiments in the late 19th century. Here are the steps he took:

1. Thomson used a cathode ray tube for his experiment. This is a sealed glass container where almost all the air has been removed. At each end of the tube, there are two pieces of metal, known as electrodes. One is the cathode and the other is the anode.

2. When a high voltage is applied to the electrodes, a beam of light, or cathode rays, is produced from the cathode and moves towards the anode.

3. Thomson placed a pair of magnetic plates

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The person credited with measuring the mass/charge ratio of the electron is J.J. Thomson. He conducted his experiments in the late 19th century. Here are the steps he took:

1. Thomson used a cathode ray tube for his experiment. This is a sealed glass container where almost all the air has been removed. At each end of the tube, there are two pieces of metal, known as electrodes. One is the cathode and the other is the anode.

2. When a high voltage is applied to the electrodes, a beam of light, or cathode rays, is produced from the cathode and moves towards the anode.

3. Thomson placed a pair of magnetic plates

Who is credited with measuring the mass/charge ratio of the electron?

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