JAMB Physics 2019 Objective — Question 24
Question 24 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2019 Objective paper, with the correct answer and a full explanation.
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The purpose of a dielectric material in a parallel plate capacitor is to
- A. increase its conductivity
- B. decrease its capacitance
- C. increase the magnetic field between them
- D. increase its capacitanceCorrect
Explanation
From C=Akε₀/d, introducing a dielectric (with dielectric constant k>1) between the plates increases the capacitance.
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