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What is EMC?

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in Avionics by (87.1k points)
What is EMC?

(a) Electromagnetic capture

(b) Electromagnetic compatibility

(c) Electromagnetic combat

(d) Electromagnetic course

This question was posed to me in an interview.

Query is from Fly-by-Light Flight Control in division Fly by Wire Flight Control of Avionics

1 Answer

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Right choice is (b) Electromagnetic compatibility

For explanation: EMC or Electromagnetic compatibility is the ability of the aircraft equipment to withstand high levels of EMI. This is a necessary condition as many cases have occurred of aircraft experiencing severe transients in the automatic flight control system placing the aircraft temporarily out of control whilst overflying high power radar/radio transmitters. This has been due to the susceptibility of the flight control system analogue electronics to EMI because of inadequate electro-magnetic screening.

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