12th Class Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर

  • question_answer 7)
    A silver wire has a resistance of 2.1  at 27.5°C, and a resistance of 2.7  at 100°C. Determine the temperature co-efficient of resistivity of silver.  

    Answer:

    Using R2 = R1 (1 + T), we get                                


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