JEE Main 2014PhysicsElectrostaticsEasyMCQ

JEE Main 2014 — Electrostatics Question with Solution

JEE Main 2014 (06 Apr)

Question

Assume that an electric field E → = 3 0 x⁡ 2 i⁡ ^  exists in space. Then the potential difference V A - V O  ,  where VO is the potential at the origin and VA the potential at x = 2 m is :

Choose an option

Show full solutionCorrect option: C
Correct answer
C-80 J C-1

Step-by-step explanation

∴dV=-E→.dx→

Integrating both sides, 

∫VOVAdV=−30∫02x2dx

VA−VO=−30x3302=−80 J C-1

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About this question

This is a previous-year question from JEE Main 2014, 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.