A parallel plate capacitor with plate separation 5 mm is charged by a battery. On introducing a dielectric sheet of thickness 2 mm, while keeping the battery connected, the capacitor draws 25% more charge from the battery than before. The dielectric constant of the sheet i s ____.
Physics · Capacitor · capacitor with dielectric
A parallel plate capacitor with plate separation 5 mm is charged by a battery. On introducing a dielectric sheet of thickness 2 mm, while keeping the battery connected, the capacitor draws 25% more charge from the battery than before. The dielectric constant of the sheet is ____.