According to Gauss’ Theorem, electric field of an infinitely long straight wire is proportional to 

(1) r

(2) 1r2

(3) 1r3

(4) 1r

Concept Videos :-

#22 | Electric Flux
#23 | Gauss Theorem
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#25 | Charged Infinite Sheet (Gauss Theorem)
#26 | Charged Thin Conducting Shell (Gauss Theorem)
#27 | Solid Non Conducting Sphere : Gauss Theorem
#28 | Solid Sphere With Cavity : Gauss Theorem
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Concept Questions :-

(4) e=λ2πε0rE1r   

Difficulty Level:

  • 6%
  • 20%
  • 6%
  • 70%