An Electron Is Released from Rest at the Negative Plate

question 27

Multiple Choice

An electron is released from rest at the negative plate of a parallel-plate capacitor.If the distance across the plate is 6.0 mm and the potential difference across the plate is 4.0 V,with what velocity does the electron hit the positive plate? (m_e = 9.1 × 10−³¹ kg,e = 1.6 × 10−¹⁹ C)

• A) 1.4 × 10⁵ m/s
• B) 1.7 × 10⁶ m/s
• C) 2.4 × 10⁶ m/s
• D) 1.2 × 10⁶ m/s
• E) 1.2 × 10⁵ m/s

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Definitions:

Dedication

A strong commitment to a task, activity, or cause, often involving a significant investment of time and effort.

Wavelengths

The distance between successive crests of a wave, typically used in the context of electromagnetic waves, sound waves, or other types of waves in physics.

Receptor Cells

Specialized cells in the body that convert external stimuli into electrical signals for the nervous system to process.

Cones

Retinal receptor cells that are concentrated near the center of the retina and that function in daylight or in well-lit conditions. The cones detect fine detail and give rise to color sensations.