Electricity Flashcards by courtney mcghee

Q

What is Kirchhoffs first law?

A

Sum of current in = Sum of current out

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Q

What is Kirchoffs second law?

A

Sum of EMF’s = Sum of P.D’s

V1/V2 = R1/R2
V out = V in x R1/ (R1 + R2)

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Q

Define electric permitivity

A

How easily electric fields form in a material or a substance

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