حلول التدريبات العملية 2 في الكهروستاتيكا

نحسب شغل القوة الكهربائية على الجسم المتحرك 1 من النقطة A إلى النقطة B، سنستخدم تعبير شغل القوة الكهربائية بدلالة فرق الجهد: 

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