Duration: 5:06

3 views

0

A charge \( Q \) is distributed over two concentric hollow spheres of radii \( r \) and \( R(R>r) \) such that their surface densities are equal.
The potential at the common centre is
(1) \( \frac{\sqrt{2}}{\pi \varepsilon_{0}} \frac{Q(R+r)}{\left(R^{2}+r^{2}\right)} \)
(2) \( \frac{1}{2 \pi \varepsilon_{0}} \frac{Q(R+r)}{\left(R^{2}+r^{2}\right)} \)
(3) \( \frac{1}{4 \pi \varepsilon_{0}} \frac{Q(R+r)}{\left(R^{2}+r^{2}\right)} \)
(4) \( \frac{1}{\pi \varepsilon_{0}} \frac{Q(R-r)}{\left(R^{2}+r^{2}\right)} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live