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Define: (i) Resolution, (ii) Calibration, with reference to electrical measuring systems.

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The smallest increment in input (the quantity being measured) which can be detected with certainty by an instrument is called its resolution or discrimination. 


It is smallest measurable input change of an instrument. 


it is the least incremental value of the electrical quantity on the scale 


Calibration means comparing the measuring instrument with standard instrument to find out the error in the instrument under test.

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