Search any question & find its solution
Question:
Answered & Verified by Expert
A parallel plate capacitor having plates of radius $6 \mathrm{~cm}$ has capacitance $100 \mathrm{pF}$. It is connected to $230 \mathrm{~V}$ a.c. supply with angular frequency $300 \mathrm{rad} / \mathrm{s}$. the r.m.s. value of current is
Options:
Solution:
2973 Upvotes
Verified Answer
The correct answer is:
$6.9 \times 10^{-6} \mathrm{~A}$
$\begin{aligned} & \mathrm{i}=\frac{\mathrm{V}}{\mathrm{X}_{\mathrm{C}}}=\mathrm{V} \omega \mathrm{C} \\ & =230 \times 300 \times 100 \times 10^{-12} Å \\ & =6.9 \times 10^{-6} Å\end{aligned}$
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.