Let $[\varepsilon_0]$ be the dimensional formula of the permittivity of free space. If $M = \text{mass}$,$L = \text{length}$,$T = \text{time}$,and $A = \text{electric current}$,then which of the following is correct?

  • A
    $[\varepsilon_0] = [M^{-1} L^{-3} T^2 A]$
  • B
    $[\varepsilon_0] = [M^{-1} L^{-3} T^4 A^2]$
  • C
    $[\varepsilon_0] = [M^{-1} L^2 T^{-1} A^{-2}]$
  • D
    $[\varepsilon_0] = [M^{-1} L^2 T^{-1} A]$

Explore More

Similar Questions

Let $x = \pi R \left( \frac{P^2 - Q^2}{2} \right)$,where $P, Q$ and $R$ are lengths. The physical quantity $x$ is

Two quantities $A$ and $B$ are related by the equation $A/B = m$,where $m$ is linear density and $A$ is force. The dimensions of $B$ are equivalent to which of the following?

Which of the following quantities is dimensionless?

The dimensional formula of latent heat is:

Dimensions of charge are

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo