For the given circuit of the $p-n$ junction diode which is correct?

For the given circuit of the $p-n$ junction diode which is correct?
  1. In forward bias the voltage across $R$ is $\mathrm{V}$
  2. In reverse bias the voltage across $R$ is $\mathrm{V}$
  3. In forward bias the voltage across $R$ is $2 \mathrm{~V}$
  4. In reverse bias the voltage across $R$ is $2 \mathrm{~V}$

Solution

In forward biasing, resistance of p — n junction diode is zero, so voltage appears across the resistance.

Asked in: NEET 2002

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