Dose Course 2018_Flipping book
We start with the determination of the uncertainty of the net charge M = (M*-M 0 ) 2 2 2 2 0 0 ( ) ( *) ( ) * c M M u M u M u M M M = + +
2
2
u M
( *)
( u M
)
= +
+
0
Charge M* is measured 5 times: 9.84, 9.99, 10.04, 9.98, and 10.06 [nC]
M* is of type A uncertainty That means that the uncertainty must be obtained from the positive root of the variance of the mean value of M * (which is the standard deviation)
5
1
2
(
)
2
u s M = +
( *)
* M M −
*
0.03852
=
=
k
5 4
k
1
=
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