JAMB Physics 2020 Objective — Question 20
Question 20 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2020 Objective paper, with the correct answer and a full explanation.
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20. Which of the following statements is true about Coulomb's law?
- A. A. states that the force of attraction or repulsion is directly proportional to the square of the distance between two charges
- B. B. states that the force of attraction or repulsion is directly proportional to the distance between two charges
- C. C. is a direct square law
- D. D. is an inverse square lawCorrect
Explanation
Coulomb's law states that the force of attraction or repulsion between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them — it is an inverse square law.
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