1. Consider a beam of electrons that moves from the electron gun towards the screen of a cathode ray tube due to the potential difference of 15kV. A pair of coils are placed outside a cathode ray tube and produce a uniform magnetic field of 250 µT across the tube. Calculate the force experienced by the electrons if the magnetic field is in place: a. parallel with the direction of the beam. b. Perpendicular with the direction of the beam. c. 50 degrees with the direction of the beam.
1. Consider a beam of electrons that moves from the electron gun towards the screen of a cathode ray tube due to the potential difference of 15kV. A pair of coils are placed outside a cathode ray tube and produce a uniform magnetic field of 250 µT across the tube. Calculate the force experienced by the electrons if the magnetic field is in place: a. parallel with the direction of the beam. b. Perpendicular with the direction of the beam. c. 50 degrees with the direction of the beam.
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Transcribed Image Text:Answers must be expressed in engineering notation (when the exponent of the base ten multiplier is not a
multiple of 3, press ENG or SHIFT+ENG, whichever the case.)
Example: 0.06N or 6.0x10² N must be expressed to 60x10-³N or 60mN
1. Consider a beam of electrons that moves from the electron gun towards the screen of a cathode ray tube
due to the potential difference of 15kV. A pair of coils are placed outside a cathode ray tube and produce a
uniform magnetic field of 250 μT across the tube. Calculate the force experienced by the electrons if the
magnetic field is in place:
a. parallel with the direction of the beam.
b.
Perpendicular with the direction of the beam.
c. 50 degrees with the direction of the beam.
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