Q.

The electric flux is ϕ=ασ+βλ, where λ and σ are linear and surface charge density, respectively, (αβ) represents          [2025]

1 charge  
2 electric field  
3 displacement  
4 area  

Ans.

(3)

ϕ=ασ+βλ

[ϕ]=[ασ]=[βλ]

[α]=[ϕ][σ]  [β]=[ϕ][λ]

[α][β]=[Q/L][Q/Area]=[AreaLength]

[αβ]=L