Question

The dimension of the magnetic field intensity $B$ is

• A. $ML{T}^{-2}{A}^{-1}$
• B. $M{T}^{-2}{A}^{-1}$
• C. $M{L}^{2}T{A}^{-2}$
• D. $M^{2}LT{A}^{-1}$

Answer 1

Answer: (B)

$F=BIL$
$B=\frac{F}{IL}\Rightarrow \frac{\left[ML{T}^{-2}\right]}{A\times L}=\left[M{T}^{-2}{A}^{-1}\right]$