R2 or R3. Their corresponding null points are A

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An unknown resistance X is to be determined using resistances R1, R2 or R3. Their corresponding null points are A, B and C. Find which of the above will give the most accurate reading and why?
03
Sep
An unknown resistance X is to be determined using resistances R1, R2 or R3. Their corresponding null points are A, B and C. Find which of the above will give the most accurate reading and why? An unknown resistance X is to be determined using resistances R1 B and C. Find which of the above [...]
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