NEET UG 2021 · Physics · Question 29
NEET 2021 Physics, question 29
Question 29 of the NEET 2021 paper (code O1) is a Physics question from Electrostatic Potential and Capacitance. Its idea, Electrostatic Energy Density, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q29 · Physics
A parallel plate capacitor has a uniform electric field '' in the space between the plates. If the distance between the plates is 'd' and the area of each plate is 'A', the energy stored in the capacitor is : ( = permittivity of free space)
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Official answer: option 1 · NTA final answer key
Same idea
The only question on Electrostatic Energy Density
No other NEET paper from 2017–2026 tested this exact idea.
Electrostatic Energy Density: every question and how it was framed
The chapter
Electrostatic Potential and Capacitance in ten years of NEET
23 questions from 2017–2026, asked in 9 of 10 papers, about 2.2 a paper. Capacitance alone had 14.