+5q elektr zaryadga ega bo'lgan tomchidan –2q zaryadli tomchi ajraldi. Qolgan tomchining elektr zaryadi qanday?
-
3q
-
–3q
-
+7q
-
+2q
📝 Detailed explanation
Zaryad saqlanish qonuniga ko'ra: q_boshlang'ich = q_ajralgan + q_qolgan.
+5q = (–2q) + q_x → q_x = 5q + 2q = +7q.
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