CBSE Class 12 Physics 2023 Outside Delhi Set 1 Paper

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Question : 25
Total: 35
Answer the following giving reasons:
(i) A p - n junction diode is damaged by a strong current.
(ii) Impurities are added in intrinsic semiconductors. .
(a) A p-n junction diode is damaged by strong current due to generation of heat.
(b) Impurities are added to intrinsic semiconductor to convert it to extrinsic semiconductor so that they achieve conductivity even at 0K
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