Question by physickzguru:
What electric field strength is required if 36 keV electrons are to pass through undeflected?
A crossed-field velocity selector has a magnetic field of magnitude 0.029 T. The mass of the electron is 9.10939 × 10âˆ'31 kg.
What electric field strength is required if 36 keV electrons are to pass through undeflected?
Answer in units of V/m.
Thank you for any formulas/help that would be helpful!
Best answer:
Answer by Yahoo!Answers
(1/2)mv^2=36 keV
|E|=|vxB| x=cross product
You can take it from here and watch the units.
Add your own answer in the comments!
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electrons:
undeflected:
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