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JEE Main Physics Class 12 Electronic Devices Part 2 Questions

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Question : 37

Total: 111

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 ammeter.
In the light of above statements, choose the most appropriate answer from the options given below. Options:

[25-Jan-2023 Shift 2]

Both Statement I and statement II are incorrect
Statement I is incorrect but statement II is correct
Both Statement I and statement II are correct
Statement I is correct but statement II is incorrect

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