magnetic needle मीनिंग इन हिंदी

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The magnetic needle is free to rotate in the horizontal plane.
A magnetic needle is placed parallel with the copper strip.
VERO BEACH, Fla .-Dave Wallace's internal compass led him home, the magnetic needle pointing west.
An "'astatic system "'comprises two equal and parallel magnetic needles, but with their polarities reversed.
It consists of a tiny, powerful magnetic needle pivoted at the centre of the coil.
They come at last to the pole proper, where they find a huge magnetic needle.
Romagnosi's experiments showed that an electric current from a voltaic pile could deflect a magnetic needle.
In order to navigate, Peral used a bronze magnetic needle installed in the ceiling of the turret.
The typical Chinese navigational compass was in the form of a magnetic needle floating in a bowl of water.
While compass surveying, the magnetic needle is sometimes disturbed from its normal position under the influence of external attractive forces.

संज्ञा.

a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth''s magnetic pole