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Alternating Current — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsAlternating Current1 Mark
Question
An AC source is connected to a capacitor. Will the rms current increase, decrease or remain constant if a dielectric slab is inserted into the capacitor?
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Answer

$\text{X}_\text{c}=\frac{1}{\omega\text{C}}$ as slab is introduced C increases and $\text{X}_C$ decreases so current increases.

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