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

  • question_answer
    When connected across the terminals of a cell, a voltmeter measures 5V and a connected ammeter measures 10 A of current. A resistance of 2 ohms is connected across the terminals of the cell. The current flowing through this resistance will be                                                         [MP PMT 1997]

    A)            2.5 A                                        

    B)            2.0 A

    C)                   5.0 A                                        

    D)            7.5 A

    Correct Answer: B

    Solution :

                       Emf E = 5V , Internal resistance \[r=\frac{5}{10}=0.5\Omega \] Current through the resistance \[i=\frac{5}{(2+0.5)}=2A\]


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