Two conductors have the same resistance at 0°C but their temperature coefficients of resistance are α₁ and α2. The respective temperature coefficients of their series and parallel combinations are nearly [2010]

Question:

Options :

a)α₁+α2/2 , α₁+α2/2
b)α₁+α2/2 , α₁+α2
c)α₁+α2 , α₁+α2/2
d)α₁+α2, α₁α2/α₁+α2

Answer :

a)α₁+α2/2 , α₁+α2/2

Answer Steps :

Step:-1

Step:-2

Step:-3

Step:-4

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