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The magnitude of the force from a point charge acting on a test charge is given by:
AThe Coulomb law
BThe Newton law
CThe Ohm law
DThe Hooke law
Answer & Solution
Correct answer: A. The Coulomb law
1. Electrostatic force has its own quantitative law.
2. A point charge is a particle carrying a charge.
3. Its force on a test charge at a distance has a magnitude given by an equation.
4. That equation comes from Coulomb's law.
_Source: OpenStax College Physics for AP Courses 2e (CC BY 4.0), Ch 18 'Electric Charge and Electric Field', sections 18.1-18.8_
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