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Earth inductor compass is

  • A.European invention
  • B.Arabian invention
  • C.American invention
  • D.Chinese invention

Answer: C

It is an American invention.

Morris Titterington devised the earth inductor compass in the 1920s. It measures the current induced by the earth's magnetic field in a rotating coil, and being unaffected by the aircraft's motion it was far steadier than a magnetic compass. Lindbergh used one to cross the Atlantic.

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