JEE Main 2017 — Capacitance Question with Solution
JEE Main 2017 (09 Apr Online)
Question
A combination of parallel plate capacitors is maintained at a certain potential difference.
When a thick slab is introduced between all the plates, in order to maintain the same potential difference, the distance between the plates is increased by . Find the dielectric constant of the slab.
When a thick slab is introduced between all the plates, in order to maintain the same potential difference, the distance between the plates is increased by . Find the dielectric constant of the slab.
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Assume initial separation as
each capacitance before
to get same capacitance
.
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This is a previous-year question from JEE Main 2017, covering the Capacitance chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.