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Electromagnetic Waves — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Waves1 Mark
Question
Write mathematical expression for Ampere- Maxwell's law.
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Answer

$\oint \overrightarrow{ B } \cdot \overrightarrow{d l}=\mu_0\left( I _c+ I _d\right)$where displacement current $I _d=\epsilon_0\left(\frac{d \phi_{ E }}{d t}\right)$ and $I _c=$ conduction current.

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