KVPY Sample Paper KVPY Stream-SX Model Paper-21

  • question_answer
    In the circuit shown in the following figure E = 10 V, \[{{R}_{1}}=2\,ohm,\] \[{{R}_{2}}=3\,ohm\] and  \[{{R}_{3}}=\text{6}\,ohm\]and L = 5 henry. The current \[{{I}_{1}}\] just after pressing the switch S is

    A) 2.5 amp

    B) 2 amp

    C) 5/6 amp

    D) 5/3 amp

    Correct Answer: B

    Solution :

    just after closing of switch inductor behave as open circuit equivalent circuit is shown

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