Question: A Crompton potentiometer has 1 8 step coarse dial where each step represents 0 . 1 V and each step resistance is 2 0 ohm.

A Crompton potentiometer has 18 step coarse dial where each step represents 0.1 V and each step resistance is 20 ohm. The fine dial is total 10 ohm with 100 divisions. Find the measuring range and resolution of the potentiometer.
How can you make this into dual range potentiometer (namely X1, X0.1) by connecting two resistances parallel to the total dial resistance? Derive necessary relations.
A Crompton potentiometer has 1 8 step coarse dial

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