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JEE Main & Advanced Physics Semiconducting Devices Question Bank Semiconductor Diode

  • question_answer
    The depletion layer in silicon diode is 1 mm wide and the knee potential is 0.6 V, then the electric field in the depletion layer will be

    A)            Zero

    B)            0.6 Vm?1

    C)            6 ´ 104 V/m                           

    D)            6 ´ 105 V/m

    Correct Answer: D

    Solution :

               By using \[E=\frac{V}{d}=\frac{0.6}{{{10}^{-6}}}=6\times {{10}^{5}}\,V/m\]


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