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PhysicsErrorMiscellaneousMedium2 minQB

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The graph shows voltage $V$ versus current $I$ for a conductor. If resistance is determined at points A, B, C and D, which relation holds?

Question diagram

Answer:

Solution:

$R = \frac{V}{I}$ is the slope of the line from the origin to a point.

That slope decreases along the concave-down curve.

Hence $R_{A} > R_{B} > R_{C} > R_{D}$ .

Stream:JEESubject:PhysicsTopic:ErrorSubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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