تم الإجابة عليه: لماذا تؤدي درجة الانصهار المرتفعة لفلز التنجستن الى استخدامة بشكل واسع في صنع فتيل المصباح الكهربائي

لانة عند مرور تيار كهربي في فتيل المصباح يسخن الفتيل بسبب التأثير الحراري للتيار الكهربي وبذلك فإن سلك التنجستين لا ينصهر عند مرور تيار كهربي فيه فيحمي المصباح من التلف.

أخر المواضيع من قسم : اسألني

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تم الإجابة عليه: لماذا تؤدي درجة الانصهار المرتفعة لفلز التنجستن الى استخدامة بشكل واسع في صنع فتيل المصباح الكهربائي

أخر المواضيع من قسم : اسألني