Question

Two resistances having coefficient of variation of resistivity $α_1$ and $α_2$ are having equal resistance. Equivalent temperature coefficient of resistivity in series and parallel combinations are:

• A. $\frac{(α_1+ α_2)}{2}, α_1+ α_2$
• B. $α_1+ α_2, α_1+ α_2$
• C. $α_1+ α_2,\frac{ (α_1+ α_2)}{2}$
• D. $\frac{(α_1+ α_2)}{2}, \frac{(α_1+ α_2)}2$

Answer 1

Answer: (D)

$\frac{(α_1+ α_2)}{2}, \frac{(α_1+ α_2)}2$

Answer 2

The Correct Option is (D) : $\frac{(α_1+ α_2)}{2}, \frac{(α_1+ α_2)}2$