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R - Széchenyi István Egyetem

R - Széchenyi István Egyetem

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Feszültség‐méréshatár kiterjesztése<br />

U<br />

I<br />

U<br />

n =<br />

U<br />

e M m<br />

m m<br />

m<br />

R = = =<br />

= ( n −1)<br />

⋅<br />

e<br />

e<br />

U<br />

−U<br />

I<br />

m<br />

Előtétellenállás:<br />

n ⋅U<br />

−U<br />

I<br />

m<br />

M<br />

m<br />

( n −1)<br />

⋅U<br />

=<br />

I<br />

e<br />

m<br />

R = ( n −1)<br />

⋅ R<br />

Elektrotechnika x/71<br />

m<br />

R<br />

m

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