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فيزياء السادس العلمي: الفصل الثاني:الحث الكهرومغناطيسي: س/ اثبت ان المعدل الزمني للشغل المنجز في تحريك الساق ( القدرة المكتسبة في الدائرة ) يساوي مقدار القدرة المستهلكة في المقاومة الكلية للدائرة؟

Alyasri Akram

اخر تحديث :

س/ اثبت ان المعدل الزمني للشغل المنجز في تحريك الساق ( القدرة المكتسبة في الدائرة ) يساوي مقدار القدرة المستهلكة في المقاومة الكلية للدائرة؟

الجواب/

وهنا نجد ان العلاقتين متساويتين

وهذا يعني ان المعدل الزمني للشغل المنجز في تحريك الساق خلال المجال المغناطيسي يساوي بالضبط القدرة المتبددة في المقاومة الكلية لهذه الدائرة بشكل حرارة او أي نوع من القدرة في الحمل وهذا يعد تطبيقا لقانون حفظ الطاقة .

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