Current Loop as a Magnetic Dipole

When we see a current carrying loop from top, current direction is anticlockwise and has north polarity. If, lower face of loop is seen from bottom then current direction is clockwise and have south polarity. Overall it behaves as a magnetic dipole depends upon

 It is the magnetic moment of one turn loop of area one square metre carrying a current of one ampere.

NI factor is called as ampere turns of circular current loop