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JEE Main & Advanced Physics Semiconducting Devices Question Bank Self Evaluation Test - Semiconductor Electronics: Materials, Devices and Simple Circuits

  • question_answer
    Currents flowing in each of the circuits A and B respectively are             

    A)  \[1\,A,\,2A\]

    B)  \[2\,A,\,1A\]

    C)  \[4\,A,\,2A\]

    D)  \[2\,A,\,4A\]

    Correct Answer: C

    Solution :

    [c] In circuit A, both the diodes are in forward bias and in parallel, so \[R=2\,\Omega \] Current, \[i=\frac{V}{R}=\frac{8}{2}=4A.\] In circuit B, only one diode is in forward bias,          so current, \[i=\frac{8}{4}=2A.\]


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