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

  • question_answer
                                             A copper wire is stretched to make it 0.2%. What is the percentage change in its resistivity?                  

    A) 0.4%                

    B) 2.0%                   

    C) 4.0%                

    D) None of these             

    Correct Answer: D

    Solution :

    (d) None of these                                  


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