magnetic needle
Exemple din articole cu magnetic needle
- This fact encourages Gilbert proposed a theory which states that the appointment of the permanent north-south magnetic needle can be understood when "the earth is considered to behave as a big magnet that the magnetic poles are .
- Now all I have to do is align the magnetic needle with the off set arrow and the compass readings all read true.
- This instrument, invented in the last century by the celebrated Swedish miner, Daniel Tilas, consists of a circular brass box, in which a magnetic needle is horizontally suspended on a long vertical brass pin, by means of a long glass .
- The liquid inside the housing dampens the movement of the magnetic needle when motion stops.
- Next, learn what the magnetic needle does.
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