Sketch a graph to show the relationship between resistance R and temperature T (in °C) for a metallic conductor.
- Leaving Cert Physics - Question 1 (a) - 2019
Question 1 (a)
Sketch a graph to show the relationship between resistance R and temperature T (in °C) for a metallic conductor.
Worked Solution & Example Answer:Sketch a graph to show the relationship between resistance R and temperature T (in °C) for a metallic conductor.
- Leaving Cert Physics - Question 1 (a) - 2019
Step 1
Label the Axes
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Answer
Begin by drawing a set of axes. The vertical axis (y-axis) should represent the resistance, denoted as ( R ), while the horizontal axis (x-axis) represents temperature, denoted as ( T ) (in °C). Ensure both axes are clearly marked and evenly spaced for readability.
Step 2
Draw the Graph
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Answer
Plot a straight line starting from the origin (0,0) and rising linearly upwards as temperature increases. This indicates that as the temperature of the metallic conductor rises, its resistance also increases in a linear manner. For many metallic conductors, this relationship can be approximated as a straight line under normal conditions.
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