A conductor has a reistance R, at $t_{1}^{0} C$ and R2 at $t_{2}^{0} C$ . Find $\propto (i n^{\circ} C^{- 1})$

\frac{R_{2} - R_{1}}{R_{1} t_{1} - R_{2} t_{2}}

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\frac{R_{2} - R_{1}}{R_{1} t_{2} - R_{2} t_{1}}

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\frac{R_{2} + R_{1}}{R_{1} t_{1} + R_{2} t_{2}}

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\frac{R_{2} + R_{1}}{R_{1} t_{2} + R_{2} t_{1}}

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Solution

The correct option is B $\frac{R_{2} - R_{1}}{R_{1} t_{2} - R_{2} t_{1}}$

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A conductor has a reistance R, at t01C and R2 at t02C. Find ∝(in∘C−1)

The correct option is B R2−R1R1t2−R2t1

A conductor has a reistance R, at $t_{1}^{0} C$ and R2 at $t_{2}^{0} C$ . Find $\propto (i n^{\circ} C^{- 1})$

The correct option is B $\frac{R_{2} - R_{1}}{R_{1} t_{2} - R_{2} t_{1}}$