J & K CET Engineering J and K - CET Engineering Solved Paper-2008

  • question_answer
    When a p-n junction diode is connected in forward bias its barrier potential

    A)  decreases and less current flows in the circuit

    B)  decreases and more current flows in the circuit

    C)  increases and more current flows in the circuit

    D)  decreases and no current flows in the circuit

    Correct Answer: B

    Solution :

    When p-n junction diode is forward biased, more number of charge carriers (electrons in n-side and holes in p-side) moves through the junction. Therefore, in forward biasing barrier potential is reduced. Thus, increasing the current in the circuit.


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