JEE Main Physics · Electrostatic Potential and Capacitance

Partial and Multiple Slabs

Partial and Multiple Slabs (Electrostatic Potential and Capacitance) was asked 5 times in 5 JEE Main shifts, 2021–2026, out of the 42 shifts Lumi analysed. 4 of the 5 had a numerical answer.

Times asked: 5; in 5 shifts
Years: 2021–2026
Usual format: Numerical value; Calculation
Pattern: Asked most years; repeats across shifts

How it is asked

Capacitance change with partial dielectric slab
Equivalent capacitance with layered dielectrics

Difficulty

Easy 1Medium 3Hard 1

Where it sits

Chapter: Electrostatic Potential and Capacitance. Topic: Dielectrics, 13 questions over 7 ideas.

All 5 questions

Newest first, each with its options and official answer.

2 Apr 2026, Shift 1 · Q32A parallel plate air capacitor has a capacitance C. When it is half filled as show in figure with a dielectric constant $K=5$ , the…EasySingle correctHas a figure
8 Apr 2025, Shift 2 · Q49Space between the plates of a parallel plate capacitor of plate area 4 cm $^2$ and separation of (d) 1.77 mm, is filled with uniform…MediumNumerical valueHas a figure
6 Apr 2024, Shift 2 · Q52A capacitor of $10\ \mu\mathrm{F}$ capacitance whose plates are separated by 10 mm through air and each plate has area $4\ \mathrm{cm}^2$ …HardNumerical valueHas a figure
6 Apr 2023, Shift 1 · Q56A parallel plate capacitor with plate area A and plate separation d is filled with a dielectric material of dielectric constant $K=4$ . The…MediumNumerical valueHas a figure
18 Mar 2021, Shift 1 · Q29A parallel plate capacitor has plate area 100 m $^2$ and plate separation of 10 m. The space between the plates is filled up to a thickness…MediumNumerical value