WAEC Physics 2017 Theory — Question 25

Question 25 of 33 from the West African Examinations Council (WAEC) Physics 2017 Theory paper, with the correct answer and a full explanation.

11(a)(i) What is a dielectric?

Model answer

A dielectric is an insulating material that is used to separate the two plates of a capacitor. Examples of dielectric are: air, paper, polyester, ceramic, glass etc.

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