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Brug van Wheatstone

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<strong>Brug</strong> uit evenwicht – Berekeningen<br />

• <strong>Brug</strong> uit evenwicht bij -10°C<br />

Tak 1 (6 k + 21 k NTC )<br />

<br />

Tak 2 (10 k + 20 k)<br />

I<br />

9V<br />

<br />

10k<br />

20k<br />

2<br />

<br />

U BC<br />

0,3 mA<br />

0,3mA20k<br />

6V<br />

I 1<br />

U AC<br />

9V<br />

0,333 mA<br />

6k 21k<br />

0,333mA21k<br />

7V<br />

I1<br />

I2<br />

<br />

Spanningsval U AB<br />

A<br />

B<br />

U<br />

AB<br />

U<br />

BC<br />

U<br />

AC<br />

6<br />

7<br />

<br />

1 V<br />

7V<br />

6V<br />

<br />

Controle<br />

• Bereken I tot uit U en R tot en vergelijk met I = I1+I2<br />

C<br />

KHLim-Lerarenopleiding Vakstudie Elektriciteit - René Peeters 18

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