What Is the Minimum Magnitude of an Electric Field That

question 26

Multiple Choice

What is the minimum magnitude of an electric field that balances the weight of a plastic sphere of mass that has been charged to

• A) 2.1 × 10⁷ N/C
• B) 2.4 × 10⁶ N/C
• C) 4.5 × 10⁶ N/C
• D) 6.4 × 10⁶ N/C

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Definitions:

Vital Capacity

The maximum amount of air a person can expel from the lungs after a maximum inhalation.

Expiratory Reserve Volume

The maximum volume of air that can be forcibly exhaled after a normal exhalation.

Residual Volume

The amount of air remaining in the lungs after a forceful exhalation.

Total Lung Capacity

The maximum amount of air the lungs can hold, encompassing tidal volume, residual volume, and other respiratory volumes.