PhysicsMedium226×since 2002Q6416Two conductors have the same resistance at 0∘C{0^ \circ }C0∘C but their temperature coefficients of resistance are α1{\alpha _1}α1 and α2.{\alpha _2}.α2. The respective temperature coefficients of their series and parallel combinations are nearlyAα1+α22, α1+α2{{{\alpha _1} + {\alpha _2}} \over 2},\,{\alpha _1} + {\alpha _2}2α1+α2,α1+α2Bα1+α2, α1+α22{\alpha _1} + {\alpha _2},\,{{{\alpha _1} + {\alpha _2}} \over 2}α1+α2,2α1+α2Cα1+α2, α1α2α1+α2{\alpha _1} + {\alpha _2},\,{{{\alpha _1}{\alpha _2}} \over {{\alpha _1} + {\alpha _2}}}α1+α2,α1+α2α1α2Dα1+α22, α1+α22{{{\alpha _1} + {\alpha _2}} \over 2},\,{{{\alpha _1} + {\alpha _2}} \over 2}2α1+α2,2α1+α2Check answerSkip