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
b
Physics & Space Science
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