Which of the following statement(s) `is//are` correct ?

Options

A. Units of magnetic field B can be written as `(N)/(A-m)`
B. Units of magnetic permeability `mu_(0)` can be wirtten as` (N)/(A^(2))`
C. Units of magnetic flux `phi` can be written as `(N)/(A-m^(2))`
D. Units of magnetic flux can be `(N-m^(2))/(A)`

Answer

a,b