JEE Main 2026 · Session 2 · Shift 1 · Physics
Question 32
A parallel plate air capacitor has a capacitance C. When it is half filled (the lower half of the gap, of thickness d/2, left as air; the upper half, of thickness d/2, filled) with a dielectric constant K = 5, the percentage increase in the capacitance is ____.
- A. 33.34
- B. 66.67Correct answer
- C. 200
- D. 400
Not yet checked by a person: transcribed from the official question paper and matched against NTA’s official answer key by the question’s own ID on , never worked out independently. Spotted a mistake? Tell us and we’ll fix it. No explanation is published here yet.
Official source
Published by NTA. Last checked against this source on . Where the two disagree, the official notice is correct — tell us and we will fix it.
Question paper, page 12-13.