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Resistance

V - I graphs ...

Question

V - I graphs of a nichrome wire at three different temperatures $t_{1}, t_{2}$ and $t_{3}$ are shown in the figure. What inference can be drawn from the figure ?

Resistance of nichrome wire at

t_{1}

is greater than resistance at

t_{2}

and

t_{3}

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t_{1} < t_{2}

and

t_{2} < t_{3}

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t_{1} < t_{2}

and

t_{3} < t_{2}

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Resistance of nichrome wire

t_{3}

is greater than resistance at

t_{3}

and

t_{2}

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Solution

The correct options are
A Resistance of nichrome wire at $t_{1}$ is greater than resistance at $t_{2}$ and $t_{3}$ .
B $t_{1} < t_{2}$ and $t_{2} < t_{3}$
The resistance of nichrome wire at $t_{1}$ is greater than resistance at $t_{2}$ and $t_{3}$ respectively.
Temperatures $t_{1} < t_{2}$ and $t_{2} < t_{3}$ .

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V - I graphs of a nichrome wire at three different temperatures t1,t2 and t3 are shown in the figure. What inference can be drawn from the figure ?

The correct options are A Resistance of nichrome wire at t1 is greater than resistance at t2 and t3. B t1<t2 and t2<t3The resistance of nichrome wire at t1 is greater than resistance at t2 and t3 respectively.Temperatures t1<t2 and t2<t3.

V - I graphs of a nichrome wire at three different temperatures $t_{1}, t_{2}$ and $t_{3}$ are shown in the figure. What inference can be drawn from the figure ?