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18.07.2019 •
Physics
Which of the following is a true statement regarding electron beams? electron beams have so little mass that they are unaffected by magnetic fields. ernest rutherford used electron beams to study electromagnetic fields in the late 19th century. the velocity of an electron is equal to the ratio of the electric field to the magnetic field. in a cathode-ray tube, a picture is produced by electric fields interacting with an electron beam.
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