Match the following two columns
Mass =[M], length =[L], time =T, current =[A]
F=qE where E= electric field.
[MLT−2]=[AT][E] as I=dqdt
[E]=[MLA−1T−3] Thus
B→1.
As E=−dVdx
So [V]=[E][L]=[ML2A−1T−3]
Thus A→3.
Electric flux (ϕ)= electric field × area.
∴[ϕ]=[E][L2]=[ML3A−1T−3]
Thus C→2.
As E=q4πϵ0
So [ϵ0]=[q][E]=[AT][MLA−1T−3]=[M−1L−1A2T4]
Thus D→4.