Give the equation that relates the speed of light $c$,the permeability of free space ${\mu _0}$,and the permittivity of free space ${\epsilon _0}$.

  • A
    $c = \sqrt{\mu_0 \epsilon_0}$
  • B
    $c = \frac{1}{\sqrt{\mu_0 \epsilon_0}}$
  • C
    $c = \sqrt{\frac{\mu_0}{\epsilon_0}}$
  • D
    $c = \sqrt{\frac{\epsilon_0}{\mu_0}}$

Explore More

Similar Questions

Displacement current is set up between the plates of a capacitor when the potential difference across the plates is ..............

An insulator plate is passed between the plates of a capacitor. The displacement current

Difficult
View Solution

An alternating voltage of amplitude $40 \, V$ and frequency $4 \, kHz$ is applied directly across a capacitor of $12 \, \mu F$. The maximum displacement current between the plates of the capacitor is nearly: (in $ \, A$)

The source of a time-varying magnetic field may be:
$(A)$ A permanent magnet
$(B)$ An electric field changing linearly with time
$(C)$ Direct current
$(D)$ A decelerating charged particle
$(E)$ An antenna fed with a digital signal
Choose the correct answer from the options given below:

$A$ charged particle oscillates about its mean equilibrium position with a frequency of $8 \times 10^9 \text{ Hz}$. What is the frequency of the electromagnetic waves produced by the oscillator?

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