koobi
koobi koobi
  • 02-10-2020
  • Physics
contestada

why isn't direct current used in transformers​

Respuesta :

arinaitwedaniella201
arinaitwedaniella201 arinaitwedaniella201
  • 02-10-2020

Answer:

No, it will not and this has a historical importance. The reason is that transformers work via induction of electrical forces by changes in magnetic fields, so the constat fields produced by dc currents won't work at all

Explanation:

Answer Link
nandini32
nandini32 nandini32
  • 02-10-2020
Direct current has no time varying field because current is constant as well as there is no relatively motion between coil and core of the transformer. So there is no induced emf in secondary coil of the transformer. Thus, direct current supply is not used for transformers.
Answer Link

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