An Electron Is Fired Through the Space Between Two Oppositely

question 17

Multiple Choice

An electron is fired through the space between two oppositely charged, parallel plates. The plates form a 2.00 cm long region with an electric field of 4000 N/C perpendicular to the electron's initial velocity. What is the change in velocity of the electron after it passes through the plates?

• A) 2.0 × 10⁷ m/s
• B) 7.1 × 10⁶ m/s
• C) 2.8 × 10⁶ m/s
• D) 1.4 × 10⁶ m/s
• E) 6.5 × 10⁴ m/s

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