Easy MCQ +4 / -1 PYQ · JEE Mains 2023

Statement I : When a Si sample is doped with Boron, it becomes P type and when doped by Arsenic it becomes N-type semi conductor such that P-type has excess holes and N-type has excess electrons.

Statement II : When such P-type and N-type semi-conductors, are fused to make a junction, a current will automatically flow which can be detected with an externally connected ameter.

In the light of above statements, choose the most appropriate answer from the options given below

  1. A Statement I is incorrect but statement II is correct
  2. B Both Statement I and statement II are correct
  3. C Statement I is correct but statement II is incorrect Correct answer
  4. D Both Statement I and Statement II are incorrect

Solution

<p>Statement I is correct but in statement II we cannot detect the current through ammeter thus the statement II is incorrect.</p>

About this question

Subject: Physics · Chapter: Electronic Devices · Topic: p-n Junction Diode

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