An Electron Is Accelerated from Rest Through a Potential Difference

question 44

Multiple Choice

An electron is accelerated from rest through a potential difference of 50.0 kV. What is the speed of the electron? (c = 3.00 × 10⁸ m/s, e = 1.60 × 10^-19 C, mel = 9.11 × 10^-31 kg)

• A) 1.24 × 10⁸ m/s
• B) 1.33 × 10⁸ m/s
• C) 3.24 × 10⁸ m/s
• D) 3.33 × 10⁸ m/s
• E) 4.12 × 10⁸ m/s

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Definitions:

Actuate

To put into motion or action, typically referring to the operation of a mechanical device or system.

Applied Voltage

The voltage that is applied across a component or circuit, initiating its operation or influencing its performance.

Delay Relays

Delay relays are electromechanical or solid-state devices designed to delay the activation of an electrical circuit for a specified period, used in various timing and control applications.

Operating States

The various conditions or modes in which a device or system can exist, such as on, off, standby, or fault.