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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
    There are three copper wires of equal length and the ratio of their radii is \[1:2:3\]. What is the ratio of their resistivity?

    A) \[1:2:3\]                        

    B) \[3:2:1\]                  

    C) \[1:1:1\]             

    D) \[1:4:9\]                    

    Correct Answer: C

    Solution :

    (c) \[1:1:1\]       


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