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? 1.4 eV 0.65 eV O 0.54 eV 0.84 eV O 0.71 eV

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Chapter1: Units, Trigonometry. And Vectors
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**Question:**
What is the kinetic energy of an electron that passes undeviated through perpendicular electric and magnetic fields if \( E = 4.0 \, \text{kV/m} \) and \( B = 8.0 \, \text{mT} \)?

**Answer Choices:**
- 1.4 eV
- 0.65 eV
- 0.54 eV
- 0.84 eV
- 0.71 eV

*The choice with the check mark is 0.84 eV.*
Transcribed Image Text:**Question:** What is the kinetic energy of an electron that passes undeviated through perpendicular electric and magnetic fields if \( E = 4.0 \, \text{kV/m} \) and \( B = 8.0 \, \text{mT} \)? **Answer Choices:** - 1.4 eV - 0.65 eV - 0.54 eV - 0.84 eV - 0.71 eV *The choice with the check mark is 0.84 eV.*
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