Предмет: Физика, автор: Енотелло

Электрическое поле создано двумя одинаковыми по величине, но разными по знаку зарядами +q и -q. Расстояние между ними а. В точке, удаленной от обоих зарядов на расстояние а, потенциал равен

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Автор ответа: ermilov

3

Потенциал равен нулю:
φ=kq/a+k(-q)/a=kq(1/a-1/a)=0

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