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

  • question_answer
    In a p-n junction having depletion layer of thickness \[{{10}^{-6}}m\] the potential across it is \[0.1\text{ }V\]. The electric field is

    A)  \[{{10}^{7}}V/m\]

    B)    \[{{10}^{-6}}V/m\]

    C)  \[{{10}^{5}}V/m\]

    D)  \[{{10}^{-5}}V/m\]

    Correct Answer: C

    Solution :

    [c] \[E=\frac{V}{d}=\frac{0.1}{{{10}^{-6}}}={{10}^{5}}\,V/m\]


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