Question:medium
Two resistances at 0°C with temperature coefficients of resistance alpha₁ and alpha₂ joined in series act as a single resistance in a circuit. The temperature coefficient of their single resistance will be:
Two resistances at 0°C with temperature coefficients of resistance alpha₁ and alpha₂ joined in series act as a single resistance in a circuit. The temperature coefficient of their single resistance will be:
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For series combination of equal resistances, temperature coefficient is the average.
Updated On: Mar 23, 2026
- \(\alpha_1+\alpha_2\)
- \(\dfrac{\alpha_1\alpha_2}{\alpha_1+\alpha_2}\)
- \(\dfrac{\alpha_1-\alpha_2}{2}\)
- (alpha₁+alpha₂)/(2)
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The Correct Option is D
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