A voltmeter (something that measures voltage) is shown to the right. Write out the voltage in proper form and determine its fractional uncertainty. X best: 220.75 What if instead the voltage was oscillating between 220.1 V and 220.9 V? How would you express the voltage in proper form? 220.8 4
A voltmeter (something that measures voltage) is shown to the right. Write out the voltage in proper form and determine its fractional uncertainty. X best: 220.75 What if instead the voltage was oscillating between 220.1 V and 220.9 V? How would you express the voltage in proper form? 220.8 4
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Transcribed Image Text:A voltmeter (something that measures voltage) is shown to the right.
Write out the voltage in proper form and determine its fractional uncertainty.
X best: 220.75
What if instead the voltage was oscillating between 220.1 V and 220.9 V? How would you
express the voltage in proper form?
Determine the length of the two objects shown. Write out the lengths in proper form and determine the
fractional uncertainties.
!!!!
9.3
6,4<h<6.5
6.45+.05
-OS
16.451 =
0
220.8
.00 775
10
10
11
11
Transcribed Image Text:Dr.G 226A MW 2:10-3PM 2:10-3PM
Digital instrument: ILE is at least half the position value of the last displayed digit
Analog scale: ILE is usually about 1/3 of the smallest division, but is up the user
Proper form: (measured value of x) = Xbest ± Ax
Fractional uncertainty
Ax
|xbest
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