A soap bubble of radius $R$ is in equilibrium with outside and inside pressure equal. If $T$ be the

Question

A soap bubble of radius $R$ is in equilibrium with outside and inside pressure equal. If $T$ be the S.T. of soap solution, then the soap bubble must have a potential in volts equal to\

Professor PC Thomas Classes · Answer

Potential on the surface $V=\frac{1}{4 \pi \varepsilon_{0}} \frac{q}{R}$\