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JCECE Medical JCECE Medical Solved Paper-2009

  • question_answer
    A battery of emf 10 V and internal resistance \[3\,\Omega \]is connected to a resistor. The current in the circuit is 0.5 A. The terminal voltage of the battery when the circuit is closed is

    A) \[10\,V\]

    B) \[0\,V\]

    C)  \[1.5\,V\]

    D)  \[8.5\,V\]

    Correct Answer: D

    Solution :

     terminal Voltage of the battery after closing the circuit is \[V=E-ir\,\] \[=10-0.5\times 3\] \[=10-1.5\] \[=8.5\,V\]


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