Question

Two resistances R₁ and R₂ are made of different materials. The temperature coefficient of the material of R₁ is a and that of material of R₂ is – b . The resistance of the series combination of R₁ and R₂ will not change with temperature if $\frac{R_{1}}{R_{2}}$ equal to
(a) $\frac{\alpha}{\beta}$
(b) $\frac{\alpha+\beta}{\alpha-\beta}$
(c) $\frac{\alpha^{2}+\beta^{2}}{2\alpha\beta}$
(d) $\frac{\beta}{\alpha}$

Answer 1

[B] is the correct option

Answer 2

Answer:B is the correct answer

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