حلول التدريبات العملية 1 في الكهروستاتيكا

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نرسم مخطط للقوى:

نكتب معادلة الحركة الدائرية لحركة الإلكترون ونُعبر عن سرعة الإلكترون من معادلة الحركة: 

نُشير إلى شحنة الإلكترون بالرمز q ولشحنة النواة بالرمز Q.

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نعوّض المعطيات ونحسب سرعة الإلكترون:

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