C17-Corrente alternada Flashcards

1
Q

função dos transformadores

A

alterar a tensão

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2
Q

qual o tipo de corrente que permite os tranformadores funcionarem?

A

alternada

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3
Q

transformadores funcionam com bateria?

A

não

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4
Q

relação entre fem e espiras tranformadores

A

E1/N1=E2/N2

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5
Q

relação das potencias dos terminais de um transformador

A

P1=P2 (E1.i1=E2.i2)

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6
Q

relação das energias dos terminais de um transformador

A

Ener1=Ener2

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