Capacitors & Dielectrics — Previous-Year Questions
5 previous-year questions on Capacitors & Dielectrics, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. A parallel plate capacitor with air has capacitance C. If half the space is filled with dielectric (κ=6), new capacitance is:
JEE 2020Q2. Three capacitors 2μF, 3μF, 6μF in series. Equivalent capacitance:
JEE 2019Q3. A capacitor of 4μF charged to 100V. Energy stored:
JEE 2018Q4. Two capacitors 6μF charged to 20V and 3μF charged to 10V connected in parallel. Common potential:
JEE 2021Q5. A dielectric slab (κ=5) is inserted in a charged isolated capacitor. The electric field:
JEE 2017Capacitors & Dielectrics previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.