Electric field in a certain region is given by $\overrightarrow{ E }=\left(\frac{ A }{ x ^2} \hat{ i }+\frac{ B }{ y ^3} \hat{ j }\right)$. The $SI$ unit of $A$ and $B$ are
Electric field in a certain region is given by $\overrightarrow{ E }=\left(\frac{ A }{ x ^2} \hat{ i }+\frac{ B }{ y ^3} \hat{ j }\right)$. The $SI$ unit of $A$ and $B$ are
- [JEE MAIN 2023]
- A
$Nm ^3\,C ^{-1} ; Nm ^2 \,C ^{-1}$
- B
$Nm ^2\, C ^{-1} ; Nm ^3 \,C ^{-1}$
- C
$Nm ^3 \,C ; Nm ^2 \,C$
- D
$Nm ^2 \,C ; Nm ^3\, C$
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