The dimensional formula for magnetic flux and magnetic flux density are respectively

Options

A. `[M^(1)L^(2)T^(-3)A^(-1)]`
B. `[ML^(2)T^(-2)A^(-1)]`
C. `[M^(I)L^(3)T^(-3)A^( l)]`
D. `[M^(2)L^(3)T^(-3)A^(-1)]`

Answer

B