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NEET Sample Paper NEET Sample Test Paper-46

  • question_answer
    Two batteries, one of e.m.f. 18 volts and internal resistance 2\[\Omega \], and the other of e.m.f. 12 volts and internal resistance 1\[\Omega \], are connected as shown in the figure. The voltmeter V will record a reading of -  

    A) 30 volt

    B)                    18 volts

    C)                    15 volt

    D)                    14 volts

    Correct Answer: D

    Solution :

    \[{{E}_{net}}\,=\,\,\frac{{{E}_{1}}{{r}_{2}}+{{E}_{2}}{{r}_{1}}}{{{r}_{1}}+{{r}_{2}}}\]


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