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2) Why should you use a standard resistor so that the balance point is near the center of the bridge?
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2) Why should you use a standard resistor so that the balance point is near the center of the bridge?

User Athar
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1 Answer

4 votes

Answer:

Step-by-step explanation:

I think I will say it is because most, if not all resistors have been made to standard already.

The value for the resistor that is chosen for two fixed arms from the Wheatstone Bridge have to be quite bear each other, as much as possible. The arm that moves and the other that doesn't move, their resistance values are made to be quite close as well. This makes the resistance of the arm that moves to be set somewhere in the middle, and as a result, the measurements don't exceed beyond the resistance range of the arm that moves.

I hope you understand?

User Ward
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