1. | displacement current of magnitude equal to \(i\) flows in the same direction as \(i\). |
2. | displacement current of magnitude equal to \(i\) flows in a direction opposite to that of \(i\). |
3. | displacement current of magnitude greater than \(i\) flows but can be in any direction. |
4. | there is no current. |
1. | the energy density in electric field is equal to energy density in magnetic field. |
2. | they travel with a speed equal to \(\dfrac{1}{\sqrt{\mu_0~ \varepsilon_0}} .\) |
3. | they originate from charges moving with uniform speed. |
4. | they are transverse in nature. |
List-I | List-II | ||
A. | \( \oint \vec{E} \cdot d \vec{A}=\dfrac{Q}{\varepsilon_0}\) | I. | Ampere-Maxwell's Law |
B. | \( \oint \vec{B} \cdot d \vec{A}=0 \) | II. | Faraday's Law |
C. | \( \oint \vec{E} \cdot \overrightarrow{d I}=\dfrac{-d(\phi)}{d t} \) | III. | Gauss Law of electrostatics |
D. | \( \oint \vec{B} \cdot \overrightarrow{d l}=\mu_0 i_c+ \mu_0 \varepsilon_0 \dfrac{d\left(\phi_E\right)}{d t}\) | IV. | Gauss's law of magnetism |
List -I (Electromagnetic waves) | List - II (Wavelength) | ||
(a) | AM radio waves | (i) | \(10^{-10}~\text{m}\) |
(b) | Microwaves | (ii) | \(10^{2} ~\text{m}\) |
(c) | Infrared radiation | (iii) | \(10^{-2} ~\text{m}\) |
(d) | \(X\)-rays | (iv) | \(10^{-4} ~\text{m}\) |
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (iv) | (iii) | (ii) | (i) |
3. | (iii) | (ii) | (i) | (iv) |
4. | (iii) | (iv) | (ii) | (i) |