JAMB - Physics (1986 - No. 35)
If the inclination at Ibadan is 7oS, this means that
the angle between the geographic meridian and the magnetic meridian at Ibadan is 7o
the earth's magnetic intensity at Ibadan makes angle 7o with the horizontal direction
a magnetic needle will be inclined at 7o to the vertical at Ibadan
the north pole of a magnetic needle dips downward at Ibadan