What Is the Range of the Electromagnetic Force (The Maximum

question 166

Multiple Choice

What is the range of the electromagnetic force (the maximum distance over which it acts) ?

• A) 10-¹⁵ m (1 femtometer, or roughly the size of a proton)
• B) 10-⁹ m (1 nanometer, or roughly the size of a hydrogen atom)
• C) a few thousand meters, or roughly the size of Earth
• D) infinity

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