Question

why is the use of zero error necessory in a measuring instrument

Answer 1

Answer:

Zero error is necessary for precise measurements which lead to accurate results.

Answer 2

Answer:

Zero error is necessary in a measuring instrument because it helps us to check the instrument we are using wheather correct or wrong.

For example if we record a zero error of 0.1mm, you know you must then subtract 0.1mm from all of our results.

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