If an Electron, Initially at Rest, Is Accelerated Through a Potential

question 59

Multiple Choice

If an electron, initially at rest, is accelerated through a potential difference of 180 kV, the relativistic mass of the electron is

• A) 12.3 × 10^-31 kg.
• B) 9.11 × 10^-31 kg.
• C) 16.2 × 10^-31 kg.
• D) 5.90 × 10^-31 kg.
• E) infinite.

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