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  4. The displacement current flows in the dielectric of a capacitor when the potential difference across its plates

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Q. The displacement current flows in the dielectric of a capacitor when the potential difference across its plates

Communication Systems

Solution:

$ I_{D}=\frac{d q}{d t}=\frac{C d V}{d t}$
When $\frac{d V}{d t}$ is positive, $I_{D}$ is also positive.