Embibe Experts Solutions for Chapter: Electrostatic Potential and Capacitance, Exercise 1: Uttarakhand Board-2018

On each corner of a square of side $\sqrt{2}\mathrm{m}$ charges of $100 \mathrm{\mu C}$ is kept. Find the resultant electric potential at the centre of square.

Deduce the expression for capacitance of a parallel-plate capacitor.

A lamp of $50$ watt, $100$ volt is to be connected with $200$ volt, $50 \mathrm{Hz}$ electric mains. Find capacitance of capacitor is to be connected in series with lamp.

Derive an expression for energy stored in a parallel plate capacitor.

The unit of electric capacitance is-

If a dielectric material is fully filled between the plates of a parallel plate capacitor then obtain the expression for capacitance of the capacitor.