JEE Main 2026 — Electrostatics Question with Solution
JEE Main 2026 (06 April Shift 2)
Question
The electric potential as a function of is given by V. The electric field at a point m is __________ V/m.
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
The electric field is given by the negative gradient of the electric potential :
Given , we find the partial derivatives:
Substituting these into the expression for :
At the point , substitute and :
V/m
Answer:
Given , we find the partial derivatives:
Substituting these into the expression for :
At the point , substitute and :
V/m
Answer:
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This is a previous-year question from JEE Main 2026, covering the Electrostatics 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.