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Physics-

General

Easy

Question

Copper of fixed volume 'V; is drawn into wire of length 'l'. When this wire is subjected to a constant force 'F', the extension produced in the wire is ' $capital delta l$ '. Which of the following graphs is a straight line?

$Δ l versus \frac{1}{l}$
$Δ l versus l^{2}$
$Δ l versus \frac{1}{l^{2}}$
$Δ l versus l$

The correct answer is: $capital delta l text versus end text l to the power of 2 end exponent$

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