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Friday, 9 October

NEET UG 2021 · Physics · Question 40

NEET 2021 Physics, question 40

Question 40 of the NEET 2021 paper (code O1) is a Physics question from Electrostatic Potential and Capacitance. Its idea, Capacitance of an Isolated Spherical Conductor, was asked twice, in 2021 and 2022, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q40 · Physics

Twenty seven drops of same size are charged at 220 V each. They combine to form a bigger drop. Calculate the potential of the bigger drop.

  1. 11520 V
  2. 21980 VOfficial answer
  3. 3660 V
  4. 41320 V

Official answer: option 2 · NTA final answer key

Same idea

Capacitance of an Isolated Spherical Conductor, in other papers

NEET asked this idea twice, in 2021 and 2022. The other question below.

  • 2022 Q34Two hollow conducting spheres of radii R1R_1 and R2R_2 (R1>>R2R_1 >> R_2) have equal charges. The potential would be :One-line MCQ · Medium

Capacitance of an Isolated Spherical Conductor: 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.

Electrostatic Potential and Capacitance: questions per paper

0242’171’180’193’204’213’222’234’241’253’26