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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > General Navigation > The force acting on the needle of a direct reading compass varies:

340 - ATPL Question Bank in English - The force acting on the needle of a direct reading compass varies:

Question 340 - General Navigation - ATPL - Airline Transport Pilot Licence

Inversely with both vertical and horizontal components of the earth's magnetic field

Directly with the vertical component of the earth's magnetic field

Inversely with the horizontal component of the earth's magnetic field

Directly with the horizontal component of the earth's magnetic field

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