In an Electron Gun, Electrons Are Accelerated Through a Region

question 49

Multiple Choice

In an electron gun, electrons are accelerated through a region with an electric field of magnitude 1.5 × 10⁴ N/C for a distance of 2.5 cm. If the electrons start from rest, how long does it take for the electrons to traverse the gun?

• A) 1.1 ns
• B) 1.1 µs
• C) 2.2 ns
• D) 2.2 µs
• E) 4.4 ns

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