Class 12PhysicsElectromagnetic wavesMaxwell's equations , Concept of displacement current and Hertz experiment
EasyWhat did Hertz observe in his experiment to produce electromagnetic waves?
- AProduction of sparks across the gap of the receiver.
- BEmission of electrons from the metal surface.
- CChange in the magnetic field intensity.
- DReflection of light waves.
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Similar Questions
If the rate of change of electric field across the plates of a parallel plate capacitor is $E$ and the displacement current is $I$,then the area of one plate of the capacitor is ($\varepsilon_{0}$ is permittivity of free space).
According to Maxwell,which is the missing term in Maxwell-Ampere circuital law?
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View SolutionWhat was used to detect the radio waves?
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View SolutionMatch the following Maxwell’s equations: (The symbols used here have their usual meanings) List-$I$ List-$II$ $(a)$ Gauss’ law for electrostatics $(i)$ $\oint \vec{E} \cdot d\vec{A} = \frac{Q}{\epsilon_0}$ $(b)$ Gauss’ law for magnetism (ii) $\oint \vec{B} \cdot d\vec{l} = \mu_0 [i_c + \epsilon_0 \frac{d\phi_E}{dt}]$ $(c)$ Faraday’s law (iii) $\oint \vec{B} \cdot d\vec{A} = 0$ $(d)$ Ampere-Maxwell’s law (iv) $\oint \vec{E} \cdot d\vec{l} = -\frac{d\phi_B}{dt}$
| List-$I$ | List-$II$ |
| $(a)$ Gauss’ law for electrostatics | $(i)$ $\oint \vec{E} \cdot d\vec{A} = \frac{Q}{\epsilon_0}$ |
| $(b)$ Gauss’ law for magnetism | (ii) $\oint \vec{B} \cdot d\vec{l} = \mu_0 [i_c + \epsilon_0 \frac{d\phi_E}{dt}]$ |
| $(c)$ Faraday’s law | (iii) $\oint \vec{B} \cdot d\vec{A} = 0$ |
| $(d)$ Ampere-Maxwell’s law | (iv) $\oint \vec{E} \cdot d\vec{l} = -\frac{d\phi_B}{dt}$ |
MediumKCET 2026
View SolutionMaxwell's equations describe the fundamental laws of
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