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Field coils in a generator produce permanent magnet.

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in Automobile Engineering by (80.5k points)
Field coils in a generator produce permanent magnet.

(a) True

(b) False

I had been asked this question in an internship interview.

I want to ask this question from Charging System in chapter Nonconventional Engines, Conventional Energy Sources & Cooling System of Automobile Engineering

1 Answer

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Right choice is (b) False

The best explanation: Field coils in a generator produce a temporary magnet. The field magnets are electromagnets. These magnets are energized by generator current. The fields magnets have a small residual magnetism this helps in providing the initial field to start the generator operation.

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