[单选题]
A very long straight wire carries a*1) ke lrx,yge cur;/rwlp;nlx a) rent of 25 A. What is the magnitude of the magnetic field a l;/;)xrna lwpt a distance of 0.15 m from the wire?
A. $3.3 \times 10^{-5} \; T$
B. $6.6 \times 10^{-5} \; T$
C. $3.3 \times 10^{-6} \; T$
D. $6.6 \times 10^{-6} \; T$