Is controlling the deflection of an electron beam

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Physics Laboratory Experiments
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Chapter 4 / Exercise 5
Physics Laboratory Experiments
Wilson
Expert Verified
Is controlling the deflection of an electron beam easier with a magnetic field or an electric field? Write down what you mean by easier. 164
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Physics Laboratory Experiments
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Chapter 4 / Exercise 5
Physics Laboratory Experiments
Wilson
Expert Verified
CHECK YOUR UNDERSTANDING LAB 5: MAGNETIC FIELDS AND FORCES1. For each of the configurations of magnets below, sketch the magnetic field map. Assume that the figures do not interact with each other. NSNSFigure IIINSNSFigure INSNSNSFigure II2. You and your friends are watching an old Godzilla movie. In one scene, a scientist broke a magnet in half because he needed a monopole for his experiment. You cringe and start laughing, but your friends don't understand what you found so funny. Explain the joke. 3. For a cathode ray tube (CRT) with the same electron gun as you used in lab, assume that the distance from the center of the Vxplate to the fluorescent screen is 10 cm, Vacc is 500V and Vx = 6V. The CRT is then placed between the large parallel coils (also used in this lab) which have a current of 1 ampere flowing through them. Assume that the CRT is oriented in the large parallel coils such that the electric field between the Vxplates and the magnetic field are in the same direction. What is the displacement of the electron beam on the screen? This is a difficult problem!! 165
CHECK YOUR UNDERSTANDING LAB 5: MAGNETIC FIELDS AND FORCES166
PHYSICS LAB REPORT RUBRICName: ID#: Course, Lab, Problem: Date Performed: Lab Partners' Names: Earns No Points Earns Full Points Possible Earned Argument no or unclear argument logic does not flow gaps in content leaves reader with questions complete, cogent, flowing argument content, execution, analysis, conclusion all present leaves reader satisfied Technical Style vocabulary, syntax, etc. inappropriate for scientific writing necessary nonverbal media absent or poorly constructed subjective, fanciful, or appealing to emotions jarringly inconsistent no or confusing sections language appropriate for scientific writing nonverbal media present where appropriate, well-constructed, well incorporated objective, indicative, logical style consistent division into sections is helpful Use of Physics predictions unjustified experiment physically unjustified experiment tests wrong phenomenon theory absent from consideration of premise, predictions, and results predictions justified with physical theory experiment is physically sound and tests phenomenon in question results interpreted with theory to clear, appropriate conclusion Quantitativeness statements are vague or arbitrary analysis is inappropriately qualitative uncertainty analysis not used to evaluate prediction or find result numbers, equations, units, uncertainties missing or inappropriate consistently quantitative equations, numbers with units, uncertainties throughout prediction confirmed or denied, result found by some form of uncertainty analysis results, conclusions based on data Total 167
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LAB 6: ELECTRICITY FROM MAGNETISM

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