-Give an example of an experiment from your field of study where a pattern in data is used to construct a mathematical relationship.
-Discuss how plotting data can help you identify the relationship between the current through the resistor and the potential difference across it.
From Ohm's law
the current throw the resistor is proportional to the potential difference between the ends
tha is
which is like a equation of a straight line y = mx , where m is the slope of the line
same way the term R is slope which is resistance
as we increase the potential difference across the ends the current is also increases , keeping the resistance constant and temperature conditions also .
ploting the graph V vs I ,taking V on y axis and I on x axis we get the straight line passing through the origin
between any two points we can measure the slope which is equivalent to the resistance of the resistor
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