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Author Question: What is the kinetic energy of an electron that passes undeviated through perpendicular electric and ... (Read 59 times)

kellyjaisingh

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on: Jul 28, 2018
What is the kinetic energy of an electron that passes undeviated through perpendicular electric and magnetic fields if E = 4.0 kV/m and B = 8.0 mT?
 a. 0.65 eV
  b. 0.71 eV
  c. 0.84 eV
  d. 0.54 eV
  e. 1.4 eV

Question 2

A proton is accelerated from rest through a potential difference of 2.5 kV and then moves perpendicularly through a uniform 0.60-T magnetic field. What is the radius of the resulting path?
 a. 15 mm
  b. 12 mm
  c. 18 mm
  d. 24 mm
  e. 8.5 mm


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Brummell1998

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


kellyjaisingh

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

nguyenhoanhat

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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