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# Question: Use Origin software to graphically show the polarisation curves from runs 9, 10 and 11, as well as their corresponding power curves on a secondary y axis

24 Jan 2024,2:09 AM

Question1: 30 Marks
Use Origin software to graphically show the polarisation curves from runs 9, 10 and
11, as well as their corresponding power curves on a secondary y axis. It should be
clear on the graph which curves are which, and colour schemes or symbols should be
used to link the two types of data from each run to each other (i.e, the polar curve
and power curve from each run should have some link in their formatting). In addition,
the peak power data point should be clearly annotated for each power curve. Finally,
as an inset graph, the average polar curve for all 19 runs should be plotted with the
dispersion of the data represented in whichever way you think best, but an indication
about which method of dispersion you have chosen must be included.
Summary of task 1: One graph should show polar curves and power curves (with peak
power annotations) from runs 9, 10 and 11, with an inset of the average polar curve
and data dispersion.

Question 2 - 30 Marks
The graphs from the three tutorials linked in the 'Part 2' section of the Origin workshop
tab on Moodle, as well as the fourth example you chose, should be replicated as closely
as possible to the examples in the tutorials. There are a couple of issues with the data
provided for tutorial 3, and the z axis will not come out with the same frequency range
as displayed in the example here - keeping it as A12 etc, is fine. Additionally, some
versions of Origin will have a different method of drawing a vertical line for tutorial 1
- you might need to go to 'graph>draw line' instead of 'insert>straight line'.
document.

Question 3 - 40 Marks
For this part, you are given some EIS data (sheet 2 of the provided excel file) collected
at multiple potentials. You should plot this on a '3D' waterfall plot that clearly shows
how the spectra change over voltage range. For EIS data it is vital than the x and
y axes (Real and Imaginary parts of Z) have the same size scale - i.e. 10 Ohm
cm2 should be the same length on both axes. An example of this data plotted is given
below, however you should vary the presentation and add your own aesthetics to this
graph. Please be aware that the data you are given in this section is in Ohms
- the area for the experiment is 0.1968 cm2, so you might need to process
your data to get the correct numbers...

https://apaxresearchers.com/storage/files/2024/01/24/9667-Fkk_02_07_45_regression-example-worksheet4-1.xlsx

https://apaxresearchers.com/storage/files/2024/01/24/9667-f0w_02_07_34_origin-workshop-data-file.xlsx

https://apaxresearchers.com/storage/files/2024/01/24/9667-7Rm_02_07_23_coursework-2.pdf

https://apaxresearchers.com/storage/files/2024/01/24/9667-mz3_02_07_13_0fefbb1baf1f207d24c4cb201931b16.png

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