The unknown resistance in Kelvin's double bridge is given by:

(Where Error Δ = )

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MPPGCL JE Electrical 19 March 2019 Shift 2 Official Paper
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Kelvin's double bridge

A Kelvin double bridge is a modified version of the Wheatstone bridge, which is used to measure low resistance values in the range with high accuracy.

In Kelvin's double bridge, the unknown resistance is given by:

X = 

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