A parallel-plate capacitor with plate separation is charged by a battery
PHYSICS · Numerical · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
A parallel-plate capacitor with plate separation 5mm is charged by a battery. On introducing a mica sheet of thickness 2mm while maintaining the connections of the plates with the terminals of the battery, it draws 25% more charge from the battery. The dielectric constant of mica is