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KVPY Sample Paper KVPY Stream-SX Model Paper-6

  • question_answer
    In the given circuit diagram, the currents, \[{{I}_{1}}=-0.3A,\]\[{{I}_{4}}=0.8\,A\] and \[{{I}_{5}}=0.4\,A,\]  are flowing as shown ' currents \[{{I}_{2}},{{I}_{3}}\] and \[{{I}_{6}},\]respectively are:

    A) \[1.1\,A,-0,4\,A,\,0.4\,A\]

    B) \[1.1\text{ }A,\text{ }0.4\text{ }A,\text{ }0.4\text{ }A\]

    C) \[0.4\text{ }A,\text{ }1.1\text{ }A,\text{ }0.4\text{ }A\]

    D) \[-0.4\,A,\,\,0.4\,\,A,\,1.1\,A\]

    Correct Answer: B

    Solution :

    \[{{I}_{3}}+{{I}_{5}}={{I}_{4}}\] \[\Rightarrow \] \[{{I}_{3}}={{I}_{4}}-{{I}_{5}}=0.4A\]
    \[{{I}_{1}}+{{I}_{2}}={{I}_{4}}\] \[\Rightarrow \] \[{{I}_{2}}={{I}_{4}}-{{I}_{1}}=1.1\,A\]
    \[{{I}_{3}}+{{I}_{6}}={{I}_{2}}+{{I}_{1}}\] \[\Rightarrow \] \[{{I}_{6}}={{I}_{2}}-{{I}_{1}}-{{I}_{3}}=0.4\,\,A\]


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