Home/
Competitive Exams/
JEE Main & Advanced/
Physics/
Capacitance/
Question 31541
JEE Physics · Easy

Capacitance: Dielectric Constant MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Dielectric ConstantEasyQuestion 31541

Question

Dielectric constant (relative permittivity) K of a material is always:
  1. A
    Less than 1
  2. B
    Equal to 1
  3. C
    Greater than or equal to 1
    Correct
  4. D
    Negative

Correct answer

Greater than or equal to 1

Explanation

K = ε/ε₀ ≥ 1 for all passive dielectrics. K=1 for vacuum; for materials K>1 due to polarisation.

Review Capacitance notesStart timed chapter practice