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

  • question_answer 15)
    (a) Six lead-acid type of secondary cells each of e.m.f. 2.0 V and internal resistance 0.015 are joined in series to prop supply to a resistance of 8.5. What are the current drawn from the s u and its terminal voltage?                 (b) A secondary cell after long use has an e.m.f. of 1.9 V and a large internal resistance of 380 . What maximum current can be drawn from the cell? Could the cell drive the starting motor of a car?  

    Answer:



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