Electrons in an X-Ray Machine Are Accelerated from Rest Through

question 6

Multiple Choice

Electrons in an x-ray machine are accelerated from rest through a potential difference of 80,000 V.What is the kinetic energy of each of these electrons in eV?

• A) 128 eV
• B) 40 eV
• C) 80 eV
• D) 80 keV