At the magnetic equator there is no induced magnetism in the vertical soft iron because（）. -题库考试答案搜索网

At the magnetic equator there is no induced magnetism in the vertical soft iron because（）.

单选题

2021-12-31 18:42

A、the lines of force cross the equator on a 0°-180°alignment
B、the quadrantal error is 0°
C、there is no vertical component of the Earth's magnetic field
D、the intercardinal headings have less than 1&deg

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正确答案

C

试题解析

标签：地文航海

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