12th Class Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Case Based (MCQs) - Current Electricity

  • question_answer
    Potential difference between A and B in the circuit shown here is :

    A) 4 V

    B) 5.6 V

    C) 2.8 V

    D) 6 V

    Correct Answer: B

    Solution :

    Apply KVL in the given circuit, \[6-8I-4-2I\text{ }=0\] or \[2-10\,I\,=0\] or, \[I=2/10=0.2\,A\] \[{{V}_{AB}}=4+I\times 8=4+0.2\times 8\,=5.6\,V\]


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