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The resistance R of a conductor varies ...

The resistance R of a conductor varies with temperature t as shown in the figure. If the variation is represented by `R_(t) = R_(0)[1+ alphat +betat^(2)]`, then

A

`alpha` and `beta` are both negative

B

`alpha` and `beta` are positive

C

`alpha` is positive and `beta` is negative

D

`alpha` is negative and `beta` is positive

Text Solution

Verified by Experts

The correct Answer is:
B
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