Two resistances R₁ and R₂ are made of different materials.
The temperature coefficient of the material of R₁ is α and
that of material of R₂ is – β . The resistance of the series
combination of R₁ and R₂ will not change with temperature
if R₁/R₂ equal to
(a) α/β
(b) α + β/α - β
(c) α² + β²/2αβ
(d) β/α
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Answer:
[B] is the correct option
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