English, asked by sasi6057, 4 months ago

residual magnetism is necessary in a

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Answered by avanchasrinivas

Answer:

Residual magnetism is necessary in self-existed generator

Answered by pmukeshchary

Answer:

Best Answer Residual magnetism is one of importan properties of ferromagnetic materials. ... This residual magnetism helps in the starting of motor and building up of speed. If the field colis are given oppsite supplies then the speed doesnt gets build up

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