To explain: the reason why the given graph is more useful than a similar graph for a resistor that obeys Ohm’s law.
Explanation of Solution
Introduction:
The voltage through the resistance is directly proportional to the applied potential difference. The equation for the acceleration between current, voltage and resistance is
Here,
Electric components that obey the above relation are called as a Ohmic materials. Electric components that don’t object ohms law are called as non ohmic materials.
The given figure is attached below:
The above graph is voltage-current graph and the slop represents the resistance of the diode. The graph is not a linear graph and the slope varies from one point to another, thus it’s a non-ohmic material.
The following graph is the voltage-current graph and in this case slope is constant. The linear graph has constant slope. The material which is ohmic in nature would produce linear graph like shown below:
Chapter 22 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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