A) 1.8%
B) 2.8%
C) 3.2%
D) 4.6%
Correct Answer: A
Solution :
Mean measurement of wire\[=\frac{0.036+0.035+0.037}{3}=0.036\,cm\] Taking 0,036cm as the true value, the absolute errors (true value - measured value) in the three readings taken are 0.036 - 0.036 = 0 0.036 - 0.035 = 0.001 cm 0.036 - 0.037 = - 0.001 cm The (maximum) mean absolute error is \[\delta {{d}_{\max }}=\frac{0+001+0.001}{3}=0.00066\,cm\] The percentage error is \[=\frac{0.00066}{0.036}\times 100\] = 1.8%You need to login to perform this action.
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