Q.

If ε,E and t represent the free space permittivity, electric field and time respectively, then the unit of εEt will be :       [2026]

1 Am  
2 A/m²  
3 A/m  
4 Am²  

Ans.

(2)

εEt=εt14πεqr2

ATTL2=(AL-2)

A/m2