User:كشلوط/sandbox

Submission declined on 1 December 2024 by KylieTastic (talk).

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Declined by KylieTastic 2 seconds ago. Last edited by KylieTastic 2 seconds ago. Reviewer: Inform author.

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الوصلات الكهربائية هي نقطة أو منطقة يتم فيها: (أ) اتصال موصلين أو أكثر ببعضهما البعض. (ب) اتصال مناطق شبه موصلة ذات خصائص كهربائية مختلفة.

أنواع الوصلات الكهربائية:

وصلات الكهروحرارية: تُستخدم في تحويل الفروقات الحرارية إلى كهرباء.

وصلات المعدن-شبه الموصل: تتشكل عند التقاء معدن مع مادة شبه موصلة، كما في ثنائيات شوتكي.

وصلات P-N: حيث تلتقي منطقتان من نوع P ونوع N في أشباه الموصلات.

تصنيف الوصلات:

وصلات مُقوِّمة: تسمح بمرور التيار في اتجاه واحد فقط، مثل المستخدمة في:

ثنائيات P-N.

ثنائيات شوتكي.

الترانزستورات ثنائية الوصلة (BJTs).

وصلات غير مُقوِّمة (أومية): تتميز بعلاقة خطية بين التيار والجهد (I-V)، وتسمح بمرور التيار بنفس الكفاءة في كلا الاتجاهين.

تُستخدم الوصلات الكهربائية بشكل واسع في تصميم المكونات الإلكترونية مثل الثنائيات والترانزستورات، مما يجعلها جزءًا أساسيًا في تطوير التكنولوجيا الحديثة.