Q83 / 120 · VITEEE 2012 · Physics

For the given circuit of $\mathrm{p}$-n junction diode which of the following is correct Figure

  • Correct answer
    A
    In forward biasing the voltage across $\mathrm{R}$ is $\mathrm{V}$
  • B
    In forward biasing the voltage across $\mathrm{R}$ is $2 \mathrm{~V}$
  • C
    In reverse biasing the voltage across $\mathrm{R}$ is $\mathrm{V}$
  • D
    In reverse biasing the voltage across $\mathrm{R}$ is $2 \mathrm{~V}$

Solution

In forward biasing, resistance of p-n junctin diode is zero, so whole voltage appears across the resistance.

Hence, the correct answer is option: 'A'.

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