Dielectric constant (relative permittivity, εr) is defined as the ratio of the permittivity of a material (ε) to the permittivity of free space (ε₀). Since both ε and ε₀ have the same physical dimensions, their ratio is a dimensionless quantity.
The dimension of dielectric constant i
Asked in CGPSC Prelims Exam 2024 · Topic: Measurement/Unit (Dimensional Analysis (Dimensions, Homogeneity, Applications))
More Physics questions
- Which one of the following quantities is dimensionless?
- Which one of the following expressions has dimensions of energy (here V is the voltage across a resistor of resistance R and I is the current through the resistor, and t is the time)?
- The unit of the ratio between thrust and impulse is same as that of
- Which of the following sets have different dimensions?
- Which one of the following pairs of quantities has no length in their dimension?
- In terms of basic units of mass (M), length (L) and time (T), dimension of energy is
- In which of the following pairs, the two physical quantities have different dimensions?
- Euler's number has the dimensions as