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r_p 1 CLum Lun-LAL1n eresistanceof225 n-athasJE the temprctuTo coefficient acuefficient a |
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Answer» Given, r = 2.5 ohms, T1 = 0°C, Temperature coefficient, a= 4000/(°C)Resistance,R at T2= 70°C is given by R = r{1+a(T2-T1)} = 2.5{1+4000(70-0)}= 2.5{1+28000}=2.5*(28001)=70002.5 ohms Ans. The value of resistance at 70°C is 70kiloohms |
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