JEE Main20248 Apr 2024Morning ShiftPhysicsCurrent ElectricityActual

Resistance of a wire at 0^ C , 100^ C and t^ C is found to be 10 , 10.2 and 10.95 respectively. The temperature t in Kelvin scale is _________

Correct answer

Step-by-step solution

aligned & R = R ₀(1+ T ) & R R ₀ = T aligned Case-I aligned & 0 ^ C 100^ C & 10.2-10 10 = (100-0) aligned ...(1) Case-II 0^ C t ^ C 10.95-10 10 = ( t -0) ...(2) aligned & t 100 = 0.95 0.2 =475^ C & t =475+273=748 ~K aligned

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