JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Critical Thinking

  • question_answer
    In the figure shown, the capacity of the condenser C is \[2\,\mu F\]. The current in \[2\,\Omega \] resistor is     [IIT 1982]

    A)            9 A

    B)            0.9 A

    C)            \[\frac{1}{9}A\]                   

    D)            \[\frac{1}{0.9}A\]

    Correct Answer: B

    Solution :

                       No current flows through the capacitor branch in steady state. Total current supplied by the battery i \[=\frac{6}{2.8+1.2}=\frac{3}{2}\]. Current through 2 W resistor \[=\frac{3}{2}\times \frac{3}{5}=0.9A\]


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