A horizontal wire of length `0.5m` carries a current of `5A`. If the mass of the wire is `10mg`, the minimum magnetic field required to support the weight of the wire is `(g=10m//g^(2))`
A. `4xx10^(-4)T`
B. `25xx10^(-4)T`
C. `4xx10^(-1)T`
D. `25xx10^(-1)T`