What is the basic principle of the magnetic compass?
A
Magnetic materials of the same polarity repel each other and those of opposite polarity attract.
B
The Earth's magnetic lines of force are parallel to the surface of the Earth.
C
Magnetic meridians connect points of equal magnetic variation.
D
The compass needle(s) will, when properly compensated, lie parallel to the isogonic lines of the Earth.
E
İlgili Sorular
Buoyant apparatus are required to be fitted or equipped with all of the following equipment EXCEPT _...You are located within a stationary high pressure area. Your aneroid barometer is falling very slowl...BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short b...A mooring buoy, if lighted, shows which color light?Which sizes of fire extinguishers are considered to be semi-portable?§(Uninspected vessel regulatio...