JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Self Evaluation Test - Current Electricity

  • question_answer
    A battery of e.m.f. 10 V and internal resistance \[0.5\Omega \]is connected across a variable resistance R. The value of R for which the power delivered in it is maximum is given by

    A) \[0.5\Omega \]

    B) \[1.0\Omega \]

    C) \[2.0\Omega \]

    D) \[0.25\Omega \]

    Correct Answer: A

    Solution :

    [a] According to maximum power theorem, the power in the circuit is maximum if the value of external resistance is equal to the internal resistance of battery.


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