Jee Main
Capacitor
JEE Main 2026 (Online) 23rd January Evening Shift
MCQ+4 / -12026
A parallel plate capacitor with plate separation 5 mm is charged by a battery. On introducing a mica sheet of 2 mm and maintaining the connections of the plates with the terminals of the battery, it is found that it draws $25 \%$ more charge from the battery. The dielectric constant of mica is $\_\_\_\_$