Three balls made of insulating material are suspended by insulating threads from

Question

Three balls made of insulating material are suspended by insulating threads from a support. We know that the white ball is positively charged. When the white ball is brought near two other balls, one black, one grey, without touching them, it attracts the black ball and repels the grey ball. We can conclude that (A) the grey ball is neutral (has no net charge). (B) the grey ball has a negative charge. (C) the black ball has a negative charge. (D) the black ball is negatively charged or neutral (has no net charge). (E) the black ball has a positive charge.

Explanation / Answer

The concepts used here is , Like charges repel each other , unlike charges attract each other

The black ball is attracted towards positive charge . so, it is negatively charged

The grey ball moves away from it . So, it is positively charged

Option C) is the correct answer

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.