Magnetic Meridian is a – (1) Line parallel to the equator of the Earth (2) Latitude (3) Line joining the geographic north and geographic south of Earth (4) Plane passing through the magnetic north and magnetic south of Earth
(4) Plane passing through the magnetic north and magnetic south of Earth Explanation: Magnetic Meridian is a line on the earth's surface approximating a great circle passing through the north and south magnetic poles. It can be taken as the horizontal component of magnetic force lines along the surface of the earth. A compass needle is parallel to the magnetic meridian.