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Q.

Which of the graphs shown below correctly represents I-V graph for a metallic wire?


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a

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b

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c

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d

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answer is C.

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Detailed Solution

Question ImageAbove graph correctly represents I-V graph for a metallic wire.
The graph has I on the y-axis and V on the x-axis, and the line is diagonally straight from the origin. The relationship for a conductor in the form of metallic wire at a given temperature. As we all know that voltage is directly proportional to the current. In the third graph, the inclined line starts from the origin and goes straight, while on the other graphs, it starts from some point and bends at some stages.
 
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