Physics

Problem

For a certain material kept at constant temperature, the potential difference is increased from

2\,\text{V}

6\,\text{V}

and the current rises from

1\,\text{A}

3\,\text{A}

. How should this material be classified? a) Non-ohmic conductor; its resistance decreases with voltage b) Classification impossible with the given data c) Non-ohmic conductor; its resistance increases with voltage d) Ohmic conductor; its resistance remains constant

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