JAMB - Physics (2020 - No. 21)
A magnetic needle is suspended first at the earth's north magnetic pole and then at a point on the magnetic equator. The respective angles between the needle and the horizontal are
0\(^o\) and 0\(^o\)
60\(^o\) and 60\(^o\)
90\(^o\) and 90\(^o\)
90\(^o\) and 0\(^o\)