When a magnetic compass needle is carried nearby to a straight wire carrying current, then
I. the straight wire cause a noticeable deflection in the compass needle.
II. the alignment of the needle is tangential to an imaginary circle with straight wire as its centre and has a plane perpendicular to the wire
A. (I) is correct
B. (II) is correct
C. both (I) and (II) are correct
D. neither (I) nor (II) is correct