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

=