1.

For a conductor, the given Ogure shows the graph of V rarrI for different temperatures then ..... .

Answer»

`T_(1) lt T_(2) lt T_(3)`
`T_(1) = T_(2) = T_(3)`
`T_(1) GT T_(2) gt T_(3)`
`T_(2) = (T_(1) + T_(3))/(2)`

Solution :`T_(1) lt T_(2) lt T_(3)`

As temperature increases resistance also increases and slope of graph `V rarr ` I shows resistance . For `T_(1)` temperature `(DELTA V)/(Delta I)` is MINIMUM and for `T_(3)` temperature `(Delta V)/(Delta I)` is maximum.


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