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J.Thomson's experiment, involving the motion of an electron beam in mutually perpendicular E and B fields, gave the value of:

Correct answer: D. Charge to mass ratio of an electron

  • A. Mass of an electron
  • B. Earth's megnetic field
  • C. Charge of an electron
  • D. Charge to mass ratio of an electron

Explanation

Thomson found the same charge-to-mass ratio regardless of the metal used to make the cathode and the anode. He also found the same charge-to-mass ratio regardless of the gas used to fill the tube. He therefore concluded that the particles given off by the cathode in this experiment are a universal component of matter.orJ.Thomson's experiment. involving the motion of an electron beam in mutually perpendicular E and B fields, gave the value of charge to mass ratio of an electron.

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About Electromagnetism

Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.

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