Class 12PhysicsElectromagnetic wavesMaxwell's equations , Concept of displacement current and Hertz experiment
Medium$A$ circular parallel plate capacitor of radius $R$ and spacing $d$ is being charged by a constant current $I_D$. Find the magnetic field between the plates at a distance $r$ from the axis,where $r > R$.
- A$\frac{\mu_0 I_D r}{2 \pi R^2}$
- B$\frac{\mu_0 I_D}{2 \pi R}$
- C$\frac{\mu_0 I_D}{2 \pi r}$
- DZero
Explore More
Similar Questions
The Hertz experiment is used for:
Easy
View Solution$A$ parallel plate capacitor consists of two circular plates each of radius $2 \,cm$, separated by a distance of $0.1 \,mm$. If the potential difference across the plates is varying at the rate of $5 \times 10^6 \,Vs^{-1}$, then the value of displacement current is
The electric field through an area of $2 \ m^2$ varies with time as shown in the graph. The greatest displacement current through the area is at $t = ..... \ \mu s$.
Medium
View SolutionMatch List-$I$ with List-$II$.
List-$I$ (Relation) List-$II$ (Law) $A$. $\oint \overrightarrow{E} \cdot d\vec{l} = -\frac{d}{dt} \oint \overrightarrow{B} \cdot d\vec{a}$ $I$. Ampere's circuital law $B$. $\oint \vec{B} \cdot d\vec{l} = \mu_0(I + \epsilon_0 \frac{d\phi_E}{dt})$ $II$. Faraday's laws of electromagnetic induction $C$. $\oint \overrightarrow{E} \cdot d\vec{a} = \frac{1}{\epsilon_0} \int \rho dv$ $III$. Ampere-Maxwell law $D$. $\oint \overrightarrow{B} \cdot d\vec{l} = \mu_0 I$ $IV$. Gauss's law of electrostatics
Choose the correct answer from the options given below:
| List-$I$ (Relation) | List-$II$ (Law) |
| $A$. $\oint \overrightarrow{E} \cdot d\vec{l} = -\frac{d}{dt} \oint \overrightarrow{B} \cdot d\vec{a}$ | $I$. Ampere's circuital law |
| $B$. $\oint \vec{B} \cdot d\vec{l} = \mu_0(I + \epsilon_0 \frac{d\phi_E}{dt})$ | $II$. Faraday's laws of electromagnetic induction |
| $C$. $\oint \overrightarrow{E} \cdot d\vec{a} = \frac{1}{\epsilon_0} \int \rho dv$ | $III$. Ampere-Maxwell law |
| $D$. $\oint \overrightarrow{B} \cdot d\vec{l} = \mu_0 I$ | $IV$. Gauss's law of electrostatics |
Choose the correct answer from the options given below:
Write the $SI$ unit of ${\epsilon _0}\left( {\frac{{d{\Phi _E}}}{{dt}}} \right)$.
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo