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The unit of percentage error is

Option: 1

Same as that of physical quantity


Option: 2

percentage error is unitless


Option: 3

the error will have their own unit 


Option: 4

square that of a physical quantity


Answers (1)

best_answer

As we know that fractional error is the ratio of two similar kind of physical quantities.

Percentage \ \ error=\frac{\Delta\bar{ a}}{a_{m}}\times100 % 

 

So,Percentage error is unitless.

 

Posted by

shivangi.shekhar

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