As the Length of a Wire Increases the Resistance
It is unlikely to be a straight line. Therefore the total resistance is a measure of temperature 29.
The graph should have the independent variable length on the x-axis and the dependent variable ammeter reading on the y-axis.
. The graph should show that as the length of the resistance wire increases the ammeter reading decreases. Resistance is independent of strain since one coil increases and the other coil decreases by the same amount due to the change in length of the meter. Standard gauge lengths range between 200 and 500 mm and miniature versions are available ranging from 100 to 250 mm 29.
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