The dimensional formula for magnetising field `H` is

Options

A. `[M^(0) L^(-1) T^(0) A]`
B. `[M^(0) L T^(-3) A]`
C. `[M^(0) L TA^(-1)]`
D. `[M^(0) L^(1) T^(-1) A]`

Answer

A

Explanation

`H = (B)/( mu_(0)) = [(I)/( r )] = [AL^(-1)]`