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JEE Mains Model Paper 22

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Question : 29

Total: 90

Resistance of a resistor at temperature t°C is R1 = R0 (1 + αt + βt2) . Here R0 is the resistance at 0°C . The temperature coefficient of resistance at temperature t°C is

(1+αt+βt2)
α+2βt
α - 2βt
α+2βt
(1+αt+βt2)
α+2βt
2(1+αt+βt2)

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