What is the relative error of an observation taken by an ultrasonic se – McqOptions

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1.	What is the relative error of an observation taken by an ultrasonic sensor which predicts the distance of an object to be 2.3 cm but the actual value is 2.1cm?
A.	1.03
B.	0.2
C.	0.0869
D.	1
Answer» D. 1

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