JEE Main 2020PhysicsElectrostaticsEasyMCQ

JEE Main 2020Electrostatics Question with Solution

JEE Main 2020 (06 Sep Shift 2)

Question

Consider the force F on a charge 'q' due to a uniformly charged spherical shell of radius R carrying charge Q distributed uniformly over it. Which one of the following statements is true for F, if  'q' is placed at distance r from the centre of the shell?

Choose an option

Show full solutionCorrect option: C
Correct answer
CF=14π0Qqr2 for r>R

Step-by-step explanation

  

E=O,r<R

=qQr2,rR

Inside F=0 and outside sphare

F=2Qq4π0r2

 

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About this question

This is a previous-year question from JEE Main 2020, 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.