Download App

Electromagnetic Waves — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Waves1 Mark
Question
The displacement current was first populated by.
✓

Answer

  1. Maxwell
Explanation:
In electromagnetism, displacement current is a quantity appearing in Maxwell's equations that is defined in terms of the rate of change of electric displacement field.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Electromagnetic Waves→Electromagnetic Waves — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

A metal rod moves at a constant velocity in a direction perpendicular to its length. A constant uniform magnetic field exists in space in a direction perpendicular to the rod as well as its velocity. Select the correct statement(s) from the following (a) The entire rod is at the same electric potential(b) There is an electric field in the rod(c) The electric potential is highest at the centre of the rod and decreases towards its ends(d) The electric potential is lowest at the centre of the rod and increases towards its ends
 
 
 
 
→
In the process of fission, the binding energy per nucleon$:$
→
In series connection of resistors, what happens to the current across each resistor?
→
An electromagnetic wave going through vacuum is described by $\text{E}=\text{E}_0\sin(\text{kx}-\omega\text{t})$ which of the following is/are independent of the wavelength?
  1. $\text{k}$
  2. $\omega$
  3. $\frac{\text{k}}{\omega}$
  4. $\text{k}\omega$
→
The wavelength of which colour is minimum ?
→
A circular disc $A$ of radius $r$ is made from an iron plate of thickness $(t)$ and another circular disc $B$ of radius $4r$ is made from an iron plate of thickness $\frac{\text{t}}{4}.$ The relation between the moments of inertia $I_A$ and $I_B$ is:
→
The ionization energy of hydrogen atom is 13.6eV. Following Bohr’s theory, the energy corresponding to a transition between 3rd and 4th orbit is:
→
The resistance of an ideal ammeter is(a) Infinite(b) Very high(c) Small(d) Zero
       
→
What is the angle between the electric dipole moment $\vec{p}$ and the electric field strength $\vec{E}$ when the dipole is in a stable equilibrium ?
→
The electrochemical equivalent of a metal is $3.3 \times 10^{-7} \mathrm{~kg} /$ coulomb. The mass of the metal liberated at the cathode when a $3 A$ current is passed for $2$ seconds will be
→